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			{{Short description|Codes of a library classification system}}
	''']'''
			{{pp-move}}
			The ] (DDC) is structured around ten main classes covering the entire world of ]; each main class is further structured into ten ] divisions, each having ten divisions of increasing specificity.<ref></ref> As a system of ] the DDC is "arranged by discipline, not subject", so a topic like ] is classed based on its disciplinary treatment (psychological influence of clothing at 155.95, customs associated with clothing at 391, and fashion design of clothing at 746.92) within the conceptual framework.<ref></ref> The list below presents the ten main classes, hundred divisions, and thousand sections.<ref></ref>
			== Class 000 – Computer science, information, and general works ==
	000 Generalities
			*'''000 Computer science, knowledge, and systems'''
			**000 ], information and general works
			**001 ]
			**002 The ] (writing, libraries, and book-related topics)
			**003 ]s
			**004 ] and ]
			**005 ], ], and ]
			**006 Special computer methods <!-- *Not* methods as in functions in computer programming --> (e.g. AI, multimedia, VR)<ref>{{cite web |title=000 Computer science, information, general works |url=https://www.oclc.org/content/dam/oclc/webdewey/help/000.pdf |publisher=OCLC |access-date=2022-01-08}}</ref>
			**007–009
			*'''010 ]'''
			**010 Bibliography
			**011 Bibliographies
			**012 Bibliographies of individuals
			**013
			**014 Bibliographies of ] and ]ous works
			**015 Bibliographies of works from specific places
			**016 Bibliographies of works on specific subjects
			**017 General subject catalogs
			**018 Catalogs arranged by author, date, etc.
			**019 ] catalogs
			*'''020 ]'''
			**020 Library and information sciences
			**021 Library relationships (with ]s, information centers, etc.)
			**022 Administration of physical plant
			**023 ]
			**024
			**025 ]
			**026 Libraries for specific subjects
			**027 General libraries
			**028 ] and use of other information media
			**029
			*'''030 Encyclopedias and books of facts'''
			**030 General ] works
			**031 Encyclopedias in ]
			**032 Encyclopedias in ]
			**033 Encyclopedias in other ]
			**034 Encyclopedias in ], ], and ]
			**035 Encyclopedias in ], ], and related languages
			**036 Encyclopedias in ] and ]
			**037 Encyclopedias in ]
			**038 Encyclopedias in ]
			**039 Encyclopedias in other languages
			*'''040 Unassigned ''(formerly ])'''''
			*'''050 Magazines, journals and serials'''
			**050 General serial publications
			**051 Serials in American English
			**052 Serials in English
			**053 Serials in other Germanic languages
			**054 Serials in French, Occitan, and Catalan
			**055 Serials in Italian, Romanian, and related languages
			**056 Serials in Spanish and Portuguese
			**057 Serials in Slavic languages
			**058 Serials in Scandinavian languages
			**059 Serials in other languages
			*'''060 Associations, organizations and museums'''
			**060 General organizations and museum science
			**061 Organizations in ]
			**062 Organizations in ]; in ]
			**063 Organizations in ]; in ]
			**064 Organizations in ] and ]
			**065 Organizations in ] and adjacent islands
			**066 Organizations in ] and adjacent islands
			**067 Organizations in ]; in ]
			**068 Organizations in other geographic areas
			**069 ]
			*'''070 ], ], and ]'''
			**070 News media, journalism, and publishing
			**071 Newspapers in North America
			**072 Newspapers in British Isles; in England
			**073 Newspapers in central Europe; in Germany
			**074 Newspapers in France and Monaco
			**075 Newspapers in Italy and adjacent islands
			**076 Newspapers in Iberian peninsula and adjacent islands
			**077 Newspapers in eastern Europe; in Russia
			**078 Newspapers in Scandinavia
			**079 Newspapers in other geographic areas
			*'''080 ]'''
			**080 General collections
			**081 Collections in American English
			**082 Collections in English
			**083 Collections in other Germanic languages
			**084 Collections in French, Occitan, Catalan
			**085 Collections in Italian, Romanian, and related languages
			**086 Collections in Spanish and Portuguese
			**087 Collections in Slavic languages
			**088 Collections in Scandinavian languages
			**089 Collections in other languages
			*'''090 ]s and rare books'''
			**090 Manuscripts and rare books
			**091 Manuscripts
			**092 ]s
			**093 ]
			**094 ]
			**095 Books notable for ]
			**096 Books notable for illustrations
			**097 Books notable for ownership or origin
			**098 ], ], and ]
			**099 Books notable for format
			== Class 100 – Philosophy and psychology ==
	001 Knowledge
			*'''100 ]'''
			**100 Philosophy and ]
			**101 Theory of philosophy
			**102 Miscellany
			**103 Dictionaries and encyclopedias
			**104 ''No longer used — formerly ]''
			**105 ]
			**106 Organizations and ]
			**107 ], ], related topics of philosophy
			**108 Groups of ]
			**109 ] and collected biography
			*'''110 ]'''
			**110 Metaphysics
			**111 ]
			**112 ''No longer used — formerly ]''
			**113 ] (])
			**114 ]
			**115 ]
			**116 Change
			**117 Structure
			**118 ] and ]
			**119 Number and quantity
			*'''120 ]'''
			**120 Epistemology, causation, and humankind
			**121 Epistemology (Theory of knowledge)
			**122 Causation
			**123 ] and ]
			**124 ]
			**125 ''No longer used — formerly ]''
			**126 ]
			**127 The unconscious and the subconscious
			**128 ]
			**129 Origin and destiny of individual ]
			*'''130 ] and ]'''
			**130 Parapsychology and occultism
			**131 Parapsychological and occult methods for achieving well-being, happiness, success
			**132 ''No longer used — formerly "Mental derangements"''
			**133 Specific topics in parapsychology and occultism
			**134 ''No longer used — formerly "] and ]"''
			**135 ]s and mysteries
			**136 ''No longer used — formerly "Mental characteristics"''
			**137 Divinatory ]
			**138 ]
			**139 ]
			*'''140 ]'''
			**140 Specific philosophical schools and viewpoints
			**141 ] and related systems and doctrines
			**142 ]
			**143 ] and ]
			**144 ] and related systems and doctrines
			**145 ]
			**146 ] and related systems and doctrines
			**147 ] and related systems and doctrines
			**148 ], ], liberalism, syncretism, and ]
			**149 Other philosophical systems and doctrines
			*'''150 ]'''
			**150 Psychology
			**151 ''No longer used — formerly "Intellect"''
			**152 Sensory ], ], ]s, and physiological drives
			**153 Conscious mental processes and ]
			**154 ] and ]s and processes
			**155 ] and ]
			**156 ]
			**157 ''No longer used — formerly "]s"''
			**158 ]
			**159 ''No longer used — formerly "Will"''
			*'''160 Philosophical ]'''
			**160 Philosophical logic
			**161 ]
			**162 ]
			**163–164 ''Not assigned or no longer used''
			**165 ] and sources of error
			**166 ]s
			**167 ]
			**168 ] and ]
			**169 ]
			*'''170 ]'''
			**170 Ethics (Moral philosophy)
			**171 Ethical systems
			**172 ]
			**173 Ethics of ]
			**174 Occupational ethics
			**175 Ethics of ], ], public performances, communication
			**176 Ethics of ] and ]
			**177 Ethics of ]
			**178 Ethics of ]
			**179 Other ethical norms
			*'''180 ], ], and ]'''
			**180 Ancient, medieval, eastern philosophy
			**181 Eastern philosophy
			**182 ]
			**183 Sophistic, ], related Greek philosophies
			**184 ]
			**185 ]
			**186 ] and ]
			**187 ]
			**188 ]
			**189 Medieval Western philosophy
			*'''190 Modern ]''' (], ])
			**190 Modern Western and other noneastern philosophy
			**191 ] and ]
			**192 ]
			**193 ] and ]
			**194 ]
			**195 ]
			**196 Philosophy of ] and Portugal
			**197 ]
			**198 Philosophy of Scandinavia and Finland
			**199 Philosophy in other geographic areas
			== Class 200 – Religion ==
	002 The book
			*'''200 ]'''
			**200 Religion
			**201 Religious ], general classes of religion, ] and attitudes, social theology
			**202 ]s
			**203 Public ] and other practices
			**204 Religious experience, life, practice
			**205 ]
			**206 ] and ]
			**207 Missions and ]
			**208 Sources
			**209 ]s and reform movements
			*'''210 Philosophy and theory of religion'''
			**210 Philosophy and theory of religion
			**211 ]
			**212 ], ways of knowing God, attributes of God
			**213 ]
			**214 ]
			**215 ]
			**216 ''No longer used—formerly ] ''
			**217 ''No longer used—formerly ]''
			**218 ]
			**219 ''No longer used—formerly ]''
			*'''220 The ]'''
			**220 Bible
			**221 ] (])
			**222 ] of Old Testament
			**223 ] of Old Testament
			**224 ] of Old Testament
			**225 ]
			**226 ]s and ]
			**227 ]
			**228 ] (])
			**229 ], ], and inter-testamental works
			*'''230 ]'''
			**230 Christianity
			**231 ]
			**232 ] and his family
			**233 Humankind
			**234 ] and ]
			**235 Spiritual beings
			**236 ]
			**237 ''No longer used—formerly Future state ''
			**238 ]s, confessions of faith, ], and ]s
			**239 ] and ]
			*'''240 Christian practice and observance'''
			**240 Christian moral and devotional theology
			**241 ]
			**242 ]
			**243 ] writings for individuals and families
			**244 ''No longer used—formerly ]''
			**245 ''No longer used—formerly ]''
			**246 Use of ]
			**247 ] furnishings and related articles
			**248 ]
			**249 Christian observances in family life
			*'''250 Christian ]''' and local church
			**250 Local Christian church and Christian religious orders
			**251 Preaching (])
			**252 Texts of ]s
			**253 Pastoral office and work (])
			**254 ] administration
			**255 ]s and orders
			**256 ''No longer used — formerly Religious societies''
			**257 ''No longer used — formerly ], libraries, etc.''
			**258 ''No longer used — formerly Parochial medicine''
			**259 Pastoral care of families, of specific groups of people
			*'''260 Social and ecclesiastical theology'''
			**260 Christian social and ecclesiastical theology
			**261 Social theology and interreligious relations and attitudes
			**262 ]
			**263 Days, times, places of ]
			**264 Public worship
			**265 ]s, other rites and acts
			**266 ]
			**267 Associations for religious work
			**268 ]
			**269 Spiritual renewal
			*'''270 History of Christianity'''
			**270 History, geographic treatment, biography of Christianity
			**271 Religious congregations and orders in church history
			**272 ]s in church history
			**273 Doctrinal controversies and ]
			**274 ]
			**275 ]
			**276 ]
			**277 ]
			**278 ]
			**279 History of Christianity in other areas
			*'''280 ]s'''
			**280 Denominations and sects of Christian church
			**281 ] and ]
			**282 ] Church
			**283 ] churches
			**284 ] denominations of Continental origin (], ])
			**285 ] churches, ] churches centered in America, ] churches
			**286 ], ], ] churches
			**287 ] churches; churches related to Methodism
			**288 ''No longer used — formerly ]''
			**289 Other denominations and sects
			*'''290 Other religions'''
			**290 Other religions
			**291 ''No longer used — formerly Comparative religion''
			**292 Classical religion (] and ])
			**293 ]
			**294 ]
			**295 ] (Mazdaism, Parseeism)
			**296 ]
			**297 ], ], and ]
			**298 ''No longer used — formerly ]''
			**299 Religions not provided for elsewhere
			== Class 300 – Social sciences ==
	003 Systems
			*'''300 ]s''', ], and ]
			**300 Social sciences
			**301 Sociology and anthropology
			**302 ]
			**303 Social processes
			**304 Factors affecting social behavior
			**305 ]
			**306 ] and ]s
			**307 ]
			**308 ''No longer used — formerly "Polygraphy"''
			**309 ''No longer used — formerly "]"''
			*'''310 Statistics'''
			**310 Collections of general statistics
			**311 ''No longer used — formerly "Theory and methods"''
			**312 ''No longer used — formerly "Population"''
			**313 ''No longer used — formerly "Special topics"''
			**314 General statistics of Europe
			**315 General statistics of Asia
			**316 General statistics of Africa
			**317 General statistics of North America
			**318 General statistics of South America
			**319 General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica
			*'''320 ]'''
			**320 Political science (Politics and government)
			**321 ] and states
			**322 Relation of ] to organized groups and their members
			**323 ] and ]
			**324 The ] process
			**325 International ] and ]
			**326 ] and ]
			**327 ]
			**328 The ] process
			**329 ''No longer used— formerly "Political Parties"''
			*'''330 ]'''
			**330 Economics
			**331 ]
			**332 ]
			**333 ] and energy
			**334 ]s
			**335 ] and related systems
			**336 ]
			**337 ]
			**338 ]
			**339 ] and related topics
			*'''340 ]'''
			**340 Law
			**341 ]
			**342 ] and ]
			**343 ], defense, public property, public finance, ], commerce (]), ]
			**344 ], social service, education, cultural law
			**345 ]
			**346 ]
			**347 ] and ]s
			**348 ]s, ]s, ]s
			**349 ], socioeconomic regions, regional intergovernmental organizations
			*'''350 ] and ]'''
			**350 Public administration and military science
			**351 Public administration
			**352 General considerations of public administration
			**353 Specific fields of public administration
			**354 Public administration of economy and environment
			**355 ]
			**356 ] and warfare
			**357 ] and warfare
			**358 ] and other specialized forces and warfare; engineering and related services
			**359 ] and warfare
			*'''360 Social problems and ]'''
			**360 Social problems and services; associations
			**361 Social problems and services
			**362 Social problems of and services to groups of people
			**363 Other social problems and services
			**364 ]
			**365 ] and related institutions
			**366 Secret associations and societies
			**367 General ]s
			**368 ]
			**369 Associations
			*'''370 ]'''
			**370 Education
			**371 Schools and their activities, ]
			**372 Primary education (])
			**373 ]
			**374 ]
			**375 ]
			**376 ''No longer used — formerly "]" ''
			**377 ''No longer used — formerly "Ethical education" ''
			**378 ] (Tertiary education)
			**379 Public policy issues in education
			*'''380 ], ]s and ]'''
			**380 Commerce, communications transportation
			**381 Commerce (Trade)
			**382 ] (Foreign trade)
			**383 ]
			**384 Communications
			**385 ]
			**386 Inland ] and ] transportation
			**387 ], ], ]ation
			**388 Transportation
			**389 ] and ]
			*'''390 ], ] and ]'''
			**390 Customs, etiquette, folklore
			**391 ] and ]
			**392 Customs of life cycle and domestic life
			**393 ]
			**394 ]
			**395 Etiquette (])
			**396 ''No longer used — formerly "Women's position and treatment"''
			**397 ''No longer used — formerly "] studies" ''
			**398 ]
			**399 Customs of war and ]
			== Class 400 – Language ==
	004 Data processing Computer science
			*'''400 ]'''
			**400 Language
			**401 ] and theory, international languages
			**402 Miscellany
			**403 ], ], concordances
			**404 Special topics of language
			**405 Serial publications
			**406 Organizations and management
			**407 ], research, related topics
			**408 Groups of people
			**409 Geographic treatment and biography
			*'''410 ]'''
			**410 Linguistics
			**411 ]s of standard forms of languages
			**412 ] of standard forms of languages
			**413 ] of standard forms of languages
			**414 ] and phonetics of standard forms of languages
			**415 ] of standard forms of languages
			**416 ''No longer used — formerly "]" ''
			**417 ] and ]
			**418 Standard usage (])
			**419 ]s
			*'''420 ] and ] languages'''
			**420 English and ]
			**421 ], ], phonetics of standard English
			**422 Etymology of standard English
			**423 Dictionaries of standard English
			**424 ''No longer used — formerly "English ]es"''
			**425 ] of standard English
			**426 ''No longer used — formerly "]"''
			**427 Historical and geographical variations, modern nongeographic variations of English
			**428 Standard English usage (])
			**429 ] (Anglo-Saxon)
			*'''430 ] and related languages'''
			**430 German and related languages
			**431 ], ], phonetics of standard German
			**432 Etymology of standard German
			**433 Dictionaries of standard German
			**434 ''Not assigned or no longer used ''
			**435 ] of standard German
			**436 ''Not assigned or no longer used ''
			**437 Historical and geographic variations, modern nongeographic variations of German
			**438 Standard German usage (Prescriptive linguistics)
			**439 Other Germanic languages
			*'''440 ] and related languages'''
			**440 French and related Romance languages
			**441 ], ], phonetics of standard French
			**442 Etymology of standard French
			**443 Dictionaries of standard French
			**444 ''Not assigned or no longer used ''
			**445 ] of standard French
			**446 ''Not assigned or no longer used ''
			**447 Historical and geographic variations, modern nongeographic variations of French
			**448 Standard French usage (Prescriptive linguistics)
			**449 Occitan ], ]
			*'''450 ], ] and related languages'''
			**450 Italian, ], Romanian, ], ], ]
			**451 Writing systems, ], phonetics of standard Italian
			**452 Etymology of standard Italian
			**453 Dictionaries of standard Italian
			**454 ''Not assigned or no longer used ''
			**455 ] of standard Italian
			**456 ''Not assigned or no longer used ''
			**457 Historical and geographic variations, modern nongeographic variations of Italian
			**458 Standard Italian usage (Prescriptive linguistics)
			**459 Romanian, Rhaetian, Sardinian, Corsican
			*'''460 ], ], Galician'''
			**460 Spanish, Portuguese, Galician
			**461 ], ], phonetics of standard Spanish
			**462 Etymology of standard Spanish
			**463 Dictionaries of standard Spanish
			**464 ''Not assigned or no longer used ''
			**465 ] of standard Spanish
			**466 ''Not assigned or no longer used ''
			**467 Historical and geographic variations, modern nongeographic variations of Spanish
			**468 Standard Spanish usage (Prescriptive linguistics)
			**469 ]
			*'''470 ] and ]'''
			**470 Latin and related Italic languages
			**471 Writing systems, phonology, phonetics of ]
			**472 Etymology of classical Latin
			**473 Dictionaries of classical Latin
			**474 ''Not assigned or no longer used ''
			**475 ] of classical Latin
			**476 ''Not assigned or no longer used ''
			**477 ], postclassical, ]
			**478 Classical Latin usage (Prescriptive linguistics)
			**479 Other Italic languages
			*'''480 Classical and modern ]'''
			**480 Classical Greek and related Hellenic languages
			**481 Writing systems, ], phonetics of classical Greek
			**482 Etymology of classical Greek
			**483 Dictionaries of classical Greek
			**484 ''Not assigned or no longer used ''
			**485 Grammar of classical Greek
			**486 ''Not assigned or no longer used ''
			**487 ] and ]
			**488 Classical Greek usage (Prescriptive linguistics)
			**489 Other Hellenic languages
			*'''490 Other languages'''
			**490 Other languages
			**491 East Indo-European and ]
			**492 ]
			**493 Non-Semitic Afro-Asiatic languages
			**494 ], ], Hyperborean, ], miscellaneous languages of south Asia
			**495 Languages of East and Southeast Asia
			**496 ]
			**497 ]
			**498 ]
			**499 Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages
			== Class 500 – Science ==
	005 Computer programming, programs, data
			*'''500 ]'''
			**500 ] and mathematics
			**501 Philosophy and theory
			**502 Miscellany
			**503 Dictionaries, ]s, ]s
			**504 ''Not assigned or no longer used ''
			**505 Serial publications
			**506 Organizations and management
			**507 Education, research, related topics
			**508 ]
			**509 ], ], biography
			*'''510 ]'''
			**510 Mathematics
			**511 General principles of mathematics
			**512 ]
			**513 ]
			**514 ]
			**515 ]
			**516 ]
			**517 ''Not assigned or no longer used ''
			**518 ]
			**519 ] and ]
			*'''520 ]'''
			**520 ] and allied sciences
			**521 ]
			**522 Techniques, procedures, apparatus, equipment, materials
			**523 Specific ] and phenomena
			**524 ''Not assigned or no longer used ''
			**525 ] (Astronomical geography)
			**526 Mathematical geography
			**527 ]
			**528 ]
			**529 ]
			*'''530 ]'''
			**530 Physics
			**531 Classical ]
			**532 ]
			**533 ] (Gas mechanics)
			**534 ] and related ]
			**535 ] and related radiation
			**536 ]
			**537 ] and ]
			**538 ]
			**539 ]
			*'''540 ]'''
			**540 Chemistry and allied sciences
			**541 ]
			**542 Techniques, procedures, apparatus, equipment, materials
			**543 ]
			**544 ''No longer used — formerly "]"''
			**545 ''No longer used — formerly "]"''
			**546 ]
			**547 ]
			**548 ]
			**549 ]
			*'''550 ] and ]'''
			**550 Earth sciences
			**551 ], ], ]
			**552 ]
			**553 ]
			**554 Earth sciences of Europe
			**555 Earth sciences of Asia
			**556 Earth sciences of Africa
			**557 Earth sciences of North America
			**558 Earth sciences of South America
			**559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds
			*'''560 ]s and prehistoric life'''
			**560 ]
			**561 ], fossil microorganisms
			**562 Fossil invertebrates
			**563 Miscellaneous fossil marine and seashore invertebrates
			**564 Fossil Mollusca and Molluscoidea
			**565 Fossil Arthropoda
			**566 Fossil Chordata
			**567 Fossil cold-blooded vertebrates
			**568 Fossil Aves (birds)
			**569 Fossil Mammalia
			*'''570 ]'''
			**570 Biology
			**571 ] and related subjects
			**572 ]
			**573 Specific physiological systems in animals, regional histology and physiology in animals
			**574 ''Not assigned or no longer used''
			**575 Specific parts of and ]
			**576 ] and ]
			**577 ]
			**578 ] of ]s and related subjects
			**579 Natural history of ], ], ]
			*'''580 Plants'''
			**580 Plants
			**581 Specific topics in natural history of ]s
			**582 Plants noted for specific vegetative characteristics and ]s
			**583 Magnoliopsida (]es)
			**584 Liliopsida (]es)
			**585 Pinophyta (]s)
			**586 ] (Seedless plants)
			**587 ]
			**588 ]
			**589 ''No longer used—formerly ]''
			*'''590 ]s (])'''
			**590 Animals
			**591 Specific topics in natural history of animals
			**592 ]s
			**593 Miscellaneous marine and seashore invertebrates
			**594 ]a and Molluscoidea
			**595 ]
			**596 ]
			**597 ] vertebrates
			**598 ] (Birds)
			**599 ]ia (Mammals)
			== Class 600 – Technology ==
	006 Special computer methods
			*'''600 ]'''
			**600 Technology (Applied sciences)
			**601 Philosophy and theory
			**602 Miscellany
			**603 Dictionaries, encyclopedias, concordances
			**604 Technical drawing, hazardous materials technology; groups of people
			**605 Serial publications
			**606 Organizations
			**607 Education, research, related topics
			**608 ]s
			**609 ], geographic treatment, biography
			*'''610 ] and ]'''
			**610 Medicine and health
			**611 ], ], ]
			**612 ]
			**613 Personal health and safety
			**614 ]; incidence of injuries, wounds, disease; public preventive medicine
			**615 ] and ]
			**616 ]
			**617 ], regional medicine, ], ], ], ]
			**618 ], obstetrics, pediatrics, geriatrics
			**619 ''No longer used—formerly ]''
			*'''620 ]'''
			**620 Engineering and applied operations
			**621 ]
			**622 ] and related operations
			**623 ] and ]
			**624 ]
			**625 Engineering of ]s, ]s
			**626 ''Not assigned or no longer used ''
			**627 ]
			**628 ]
			**629 Other branches of engineering
			*'''630 ]'''
			**630 Agriculture and related technologies
			**631 Specific techniques; apparatus, ], materials
			**632 Plant injuries, ], ]s
			**633 ] and ] ]s
			**634 ]s, ]s, ]
			**635 Garden crops (])
			**636 ]
			**637 Processing ] and related products
			**638 Insect culture
			**639 ], ], ], related technologies
			*'''640 Home and family management'''
			**640 Home and family management
			**641 ] and ]
			**642 ]s and table service
			**643 ] and household equipment
			**644 ] utilities
			**645 ]
			**646 ], ], management of personal and family life
			**647 ]s (Institutional housekeeping)
			**648 ]
			**649 ]; ] of people with disabilities and illnesses
			*'''650 ] and public relations'''
			**650 Management and auxiliary services
			**651 ] services
			**652 Processes of written communication
			**653 ]
			**654–656 ''Not assigned or no longer used''
			**657 ]
			**658 General management
			**659 ] and ]
			*'''660 ]'''
			**660 Chemical engineering and related technologies
			**661 Technology of industrial chemicals
			**662 Technology of ], ], related products
			**663 Beverage technology
			**664 ]
			**665 Technology of industrial ]s, ]s, ]es, gases
			**666 ] and allied technologies
			**667 ], ], coating, related technologies
			**668 Technology of other organic products
			**669 ]
			*'''670 ]'''
			**670 Manufacturing
			**671 ] processes and primary metal products
			**672 ], ], other ]s
			**673 Nonferrous ]s
			**674 ] processing, ] products, ]
			**675 ] and ] processing
			**676 ]
			**677 ]s
			**678 ]s and elastomer products
			**679 Other products of specific kinds of materials
			*'''680 Manufacture for specific uses'''
			**680 Manufacture of products for specific uses
			**681 ] and other devices
			**682 Small ] work (]ing)
			**683 ] and ]
			**684 Furnishings and home ]s
			**685 Leather and fur goods, and related products
			**686 ] and related activities
			**687 ] and accessories
			**688 Other final products, and ] technology
			**689 ''Not assigned or no longer used ''
			*'''690 Construction of ]s'''
			**690 Construction of buildings
			**691 Building materials
			**692 Auxiliary construction practices
			**693 Construction in specific types of materials and for specific purposes
			**694 ]
			**695 ] covering
			**696 Utilities
			**697 ], ], ] engineering
			**698 Detail finishing
			**699 ''Not assigned or no longer used''
			== Class 700 – Arts and recreation ==
	007 Not assigned or no longer used
			*'''700 ]'''
			**700 The Arts
			**701 ] and ] of fine and decorative arts
			**702 Miscellany of fine and decorative arts
			**703 Dictionaries, encyclopedias, concordances of fine and decorative arts
			**704 Special topics in fine and decorative arts
			**705 ] of fine and decorative arts
			**706 Organizations and management of fine and decorative arts
			**707 Education, research, related topics of fine and decorative arts
			**708 ] of fine and decorative arts
			**709 ], geographic treatment, biography
			*'''710 Area planning and ]'''
			**710 Area planning and landscape architecture
			**711 ] (Civic art)
			**712 ] (Landscape design)
			**713 Landscape architecture of trafficways
			**714 ]s in landscape architecture
			**715 ]s in landscape architecture
			**716 ]s in landscape architecture
			**717 Structures in landscape architecture
			**718 Landscape design of cemeteries
			**719 Natural ]s
			*'''720 ]'''
			**720 Architecture
			**721 Architectural materials and structural elements
			**722 Architecture from earliest times to {{Circa|300}}
			**723 Architecture from {{Circa|300}} to 1399
			**724 Architecture from 1400
			**725 Public structures
			**726 ]
			**727 Buildings for educational and research purposes
			**728 ]
			**729 ] and ] of structures and accessories
			*'''730 ], ceramics and metalwork'''
			**730 Sculpture and related arts
			**731 Processes, forms, subjects of sculpture
			**732 Sculpture from earliest times to {{Circa|500}}, sculpture of non-literate peoples
			**733 ]
			**734 Sculpture from ca 500 to 1399
			**735 Sculpture from 1400
			**736 ] and carvings
			**737 ] and ]
			**738 ]
			**739 Art metalwork
			*'''740 Graphic arts and ]s'''
			**740 Graphic arts
			**741 Drawing and drawings
			**742 ] in drawing
			**743 Drawing and drawings by subject
			**744 Communication design and visual design (proposed<ref>{{cite web |title=EPC 143-S74.1 Graphic design and communication design |url=https://drive.google.com/file/d/1cshboqu6h7Ppe2J4ZXz2pqvwaQgEGmAt/view |publisher=OCLC |access-date=2023-01-29}}</ref>)
			**745 Decorative arts
			**746 ]
			**747 ]
			**748 ]
			**749 ] and accessories
			*'''750 ]'''
			**750 Painting and ]
			**751 Techniques, procedures, apparatus, equipment, materials, forms
			**752 ]
			**753 ]ism, ], ], ]
			**754 ]
			**755 ]
			**756 ''Not assigned or no longer used ''
			**757 Human figures
			**758 Nature, architectural subjects and cityscapes, other specific subjects
			**759 ], geographic treatment, biography
			*'''760 ] and prints'''
			**760 Printmaking and prints
			**761 Relief processes (])
			**762 ''Not assigned or no longer used ''
			**763 ] processes (Planographic processes)
			**764 ] and ]
			**765 ]
			**766 ]ing, aquatinting, and related processes
			**767 ] and ]
			**768 ''Not assigned or no longer used ''
			**769 Prints
			*'''770 ], computer art, film, video'''
			**770 Photography, computer art, cinematography, videography
			**771 ], procedures, apparatus, ], materials
			**772 Metallic salt processes
			**773 Pigment processes of printing
			**774 ''No longer used—formerly ]''
			**775 ''No longer used—formerly ]''
			**776 ] (Digital art)
			**777 ] and ]
			**778 Specific fields and special kinds of photography
			**779 ]
			*'''780 ]'''
			**780 Music
			**781 ] and ]s
			**782 ]
			**783 Music for single voices
			**784 ]s and ] and their music
			**785 Ensembles with only one instrument per part
			**786 ], mechanical, electrophonic, percussion instruments
			**787 ] (Chordophones)
			**788 ]s (Aerophones)
			**789 ''Not assigned or no longer used ''
			*'''790 ], games and entertainment'''
			**790 Recreational and performing arts
			**791 Public performances
			**792 Stage presentations
			**793 ] and amusements
			**794 Indoor games of skill
			**795 Games of chance
			**796 Athletic and outdoor sports and games
			**797 Aquatic and air sports
			**798 ] and animal racing
			**799 ], ], ]
			== Class 800 – Literature ==
	008 Not assigned or no longer used
			*'''800 ], ] and ]'''
			**800 Literature (]) and rhetoric
			**801 Philosophy and theory
			**802 Miscellany
			**803 Dictionaries, encyclopedias, concordances
			**804 ''Not assigned or no longer used ''
			**805 ]
			**806 Organizations and management
			**807 Education, research, related topics
			**808 Rhetoric and collections of literary texts from more than two literatures
			**809 ], description, critical appraisal of more than two literatures
			*'''810 ] in English'''
			**810 American literature in English
			**811 American ] in English
			**812 American drama in English
			**813 American fiction in English
			**814 American essays in English
			**815 American speeches in English
			**816 American letters in English
			**817 American humor and satire in English
			**818 American miscellaneous writings in English
			**819 ''No longer used—formerly Puzzle activities''
			*'''820 ] and ]s'''
			**820 English and ]
			**821 English poetry
			**822 ]
			**823 English fiction
			**824 English essays
			**825 English speeches
			**826 English letters
			**827 English humor and satire
			**828 English miscellaneous writings
			**829 Old English (Anglo-Saxon) literature
			*'''830 ] and related literatures'''
			**830 German literature and literatures of related languages
			**831 ]
			**832 German drama
			**833 German fiction
			**834 German essays
			**835 German speeches
			**836 German letters
			**837 German humor and satire
			**838 German miscellaneous writings
			**839 Other Germanic literatures
			*'''840 French and related literatures'''
			**840 French literature and literatures of related Romance languages
			**841 ]
			**842 French drama
			**843 French fiction
			**844 French essays
			**845 French speeches
			**846 French letters
			**847 French humor and satire
			**848 French miscellaneous writings
			**849 ], ], Franco-Provençal literatures
			*'''850 ], ] and related literatures'''
			**850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages
			**851 ]
			**852 Italian drama
			**853 Italian fiction
			**854 Italian essays
			**855 Italian speeches
			**856 Italian letters
			**857 Italian humor and satire
			**858 Italian miscellaneous writings
			**859 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages
			*'''860 ], ], Galician literatures'''
			**860 Literatures of Spanish, Portuguese, Galician languages
			**861 ]
			**862 Spanish drama
			**863 Spanish fiction
			**864 Spanish essays
			**865 Spanish speeches
			**866 Spanish letters
			**867 Spanish humor and satire
			**868 Spanish miscellaneous writings
			**869 Literatures of Portuguese and Galician languages
			*'''870 ] and Italic literatures'''
			**870 Latin literature and literatures of related Italic languages
			**871 ]
			**872 Latin dramatic poetry and drama
			**873 Latin epic poetry and fiction
			**874 Latin lyric poetry
			**875 Latin speeches
			**876 Latin letters
			**877 Latin humor and satire
			**878 Latin miscellaneous writings
			**879 Literatures of other Italic languages
			*'''880 Classical and modern Greek literatures'''
			**880 Classical Greek literature and literatures of related Hellenic languages
			**881 Classical Greek poetry
			**882 Classical Greek drama
			**883 Classical Greek epic poetry and fiction
			**884 Classical Greek lyric poetry
			**885 Classical Greek speeches
			**886 Classical Greek letters
			**887 Classical Greek humor and satire
			**888 Classical Greek miscellaneous writings
			**889 ]
			*'''890 Other literatures'''
			**890 Literatures of other specific languages and language families
			**891 East Indo-European and ] literatures
			**892 ] literatures
			**893 Non-Semitic Afro-Asiatic literatures
			**894 Literatures of Altaic, Uralic, Hyperborean, ] languages; literatures of miscellaneous languages of South Asia
			**895 Literatures of East and Southeast Asia
			**896 African literatures
			**897 Literatures of North American native languages
			**898 Literatures of South American native languages
			**899 Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages
			== Class 900 – History and geography ==
	009 Not assigned or no longer used
			*'''900 ]'''
			**900 History, geography, and auxiliary disciplines
			**901 Philosophy and theory of history
			**902 Miscellany of history
			**903 Dictionaries, encyclopedias, concordances of history
			**904 Collected accounts of events
			**905 Serial publications of history
			**906 Organizations and management of history
			**907 Education, research, related topics of history
			**908 History with respect to groups of people
			**909 ]
			*'''910 ] and ]'''
			**910 Geography and travel
			**911 ]
			**912 ] and of extraterrestrial worlds
			**913 Geography of and travel in the ]
			**914 Geography of and travel in ]
			**915 Geography of and travel in ]
			**916 Geography of and travel in ]
			**917 Geography of and travel in ]
			**918 Geography of and travel in ]
			**919 Geography of and travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, and on extraterrestrial worlds
			*'''920 ] and ]'''
			**920 Biography, genealogy, insignia
			**921–928 This range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name.
			**929 Genealogy, ]s, insignia
			*'''930 ]'''
			**930 History of ancient world to {{Circa|499}}
			**931 ] to ]
			**932 ] to ]
			**933 ] to ]
			**934 ] to 647
			**935 ] and ] to ]
			**936 ] to {{Circa|499}}
			**937 ] to ]
			**938 ] to 323
			**939 Other parts of ancient world
			*''' 940 ]'''
			**940 History of Europe
			**941 ]
			**942 ] and ]
			**943 ] and neighboring ]
			**944 ] and ]
			**945 ], San Marino, Vatican City, Malta
			**946 ], Andorra, Gibraltar, ]
			**947 ] and ]
			**948 ]
			**949 Other parts of Europe
			*'''950 ]'''
			**950 History of Asia
			**951 ] and adjacent areas
			**952 ]
			**953 ] and adjacent areas
			**954 ] and neighboring ]
			**955 ]
			**956 ] (Near East)
			**957 ] (Asiatic Russia)
			**958 ]
			**959 ]
			*''' 960 ]'''
			**960 History of Africa
			**961 ] and ]
			**962 ], ], South Sudan
			**963 ] and Eritrea
			**964 ], Ceuta, Melilla Western Sahara, ]
			**965 ]
			**966 ] and offshore islands
			**967 ] and offshore islands
			**968 ] & southern Africa
			**969 South ] islands
			*''' 970 ]'''
			**970 History of North America
			**971 ]
			**972 ], ], West Indies, Bermuda
			**973 ]
			**974 ] (New England and Middle Atlantic states)
			**975 Southeastern United States (South Atlantic states)
			**976 South central United States
			**977 North central United States
			**978 Western United States
			**979 Great Basin and Pacific Slope region of United States
			*''' 980 ]'''
			**980 History of South America
			**981 ]
			**982 ]
			**983 ]
			**984 ]
			**985 ]
			**986 ] and ]
			**987 ]
			**988 ]
			**989 ] and ]
			*''' 990 History of other areas'''
			**990 History of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds
			**991–992 ''Not assigned or no longer used''
			**993 ]
			**994 ]
			**995 ] and neighboring countries of ]
			**996 ] and other Pacific Ocean islands
			**997 Atlantic Ocean islands
			**998 Arctic islands and ]
			**999 Extraterrestrial worlds
			==See also==
	010 Bibliography
			*]
			*]
			*]
			*]
			== References ==
	011 Bibliographies
			{{reflist}}
			== External links ==
	012 Bibliographies of individuals
			* , OCLC
			*
			{{Gutenberg|no=12513 |name=A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library |edition=1st edition (1876)}}
			<!-- older edition -->
			]
	013 Bibliographies of works by specific classes of authors
	014 Bibliographies of anonymous and pseudonymous works
	015 Bibliographies of works from specific places
	016 Bibliographies of works from specific subjects
	017 General subject catalogs
	018 Catalogs arranged by author & date
	019 Dictionary catalogs
	020 Library & information sciences
	021 Library relationships
	022 Administration of the physical plant
	023 Personnel administration
	024 Not assigned or no longer used
	025 Library operations
	026 Libraries for specific subjects
	027 General libraries
	028 Reading, use of other information media
	029 Not assigned or no longer used
	030 General encyclopedic works
	031 General encyclopedic works -- American
	032 General encyclopedic works in English
	033 General encyclopedic works in other Germanic languages
	034 General encyclopedic works in French, Provencal, Catalan
	035 General encyclopedic works in Italian, Romanian, Rhaeto-Romanic
	036 General encyclopedic works in Spanish & Portuguese
	037 General encyclopedic works in Slavic languages
	038 General encyclopedic works in Scandinavian languages
	039 General encyclopedic works in other languages
	040 - 049 No longer assisgned or no longer used
	050 General serials & their indexes
	051 General serials & their indexes American
	052 General serials & their indexes In English
	053 General serials & their indexes In other Germanic languages
	054 General serials & their indexes In French, Provencal, Catalan
	055 General serials & their indexes In Italian, Romanian, Rhaeto-Romanic
	056 General serials & their indexes In Spanish & Portuguese
	057 General serials & their indexes In Slavic languages
	058 General serials & their indexes In Scandinavian languages
	059 General serials & their indexes In other languages
	060 General organization & museology
	061 General organization & museology In North America
	062 General organization & museology In British Isles In England
	063 General organization & museology In central Europe In Germany
	064 General organization & museology In France & Monaco
	065 General organization & museology In Italy & adjacent territories
	066 General organization & museology In Iberian Peninsula & adjacent islands
	067 General organization & museology In eastern Europe In Soviet Union
	068 General organization & museology In other areas
	069 Museology (Museum science)
	070 News media, journalism, publishing
	071 News media, journalism, publishing In North America
	072 News media, journalism, publishing In British Isles In England
	073 News media, journalism, publishing In central Europe In Germany
	074 News media, journalism, publishing In France & Monaco
	075 News media, journalism, publishing In Italy & adjacent territories
	076 News media, journalism, publishing In Iberian Peninsula & adjacent islands
	077 News media, journalism, publishing In eastern Europe In Soviet Union
	078 News media, journalism, publishing In Scandinavia
	079 News media, journalism, publishing In other languages
	080 General collections
	081 General collections American
	082 General collections In English
	083 General collections In other Germanic languages
	084 General collections In French, Provencal, Catalan
	085 General collections In Italian, Romanian, Rhaeto-Romanic
	086 General collections In Spanish & Portuguese
	087 General collections In Slavic languages
	088 General collections In Scandinavian languages
	089 General collections In other languages
	090 Manuscripts & rare books
	091 Manuscripts
	092 Block books
	093 Incunabula
	094 Printed books
	095 Books notable for bindings
	096 Books notable for illustrations
	097 Books notable for ownership or origin
	098 Prohibited works, forgeries, hoaxes
	099 Books notable for format
	100 Philosophy & psychology
	101 Theory of philosophy
	102 Miscellany of philosophy
	103 Dictionaries of philosophy
	104 Not assigned or no longer used
	105 Serial publications of philosophy
	106 Organizations of philosophy
	107 Education, research in philosophy
	108 Kinds of persons in philosophy
	109 Historical treatment of philosophy
	110 Metaphysics
	111 Ontology
	112 Not assigned or no longer used
	113 Cosmology (Philosophy of nature)
	114 Space
	115 Time
	116 Change
	117 Structure
	118 Force & Energy
	119 Number & quantity
	120 Epistemology, causation, humankind
	121 Epistemology (Theory of knowledge)
	122 Causation
	123 Determinism & indeterminism
	124 Teleology
	125 Not assigned or no longer used
	126 The self
	127 The unconscious & the subconscious
	128 Humankind
	129 Origin & destiny of individual souls
	130 Paranormal phenomena
	131 Occult methods for achieving well-being
	132 Not assigned or no longer used
	133 Parapsychology & occultism
	134 Not assigned or no longer used
	135 Dreams & mysteries
	136 Not assigned or no longer used
	137 Divinatory graphology
	138 Physiognomy
	139 Phrenology
	140 Specific philosophical schools
	141 Idealism & related systems
	142 Critical philosophy
	143 Intuitionism & Bergsonism
	144 Humanism & related systems
	145 Sensationalism
	146 Naturalism & related systems
	147 Pantheism & related systems
	148 Liberalism, eclecticism, traditionalism
	149 Other philosophical systems
	150 Psychology
	151 Not assigned or no longer used
	152 Perception, movement, emotions, drives
	153 Mental processes & intelligence
	154 Subconscious & altered states
	155 Differential & developmental psychology
	156 Comparative psychology
	157 Not assigned or no longer used
	158 Applied psychology
	159 Not assigned or no longer used
	160 Logic
	161 Induction
	162 Deduction
	163 Not assigned or no longer used
	164 Not assigned or no longer used
	165 Fallacies & sources of error
	166 Syllogisms
	167 Hypotheses
	168 Argument & persuasion
	169 Analogy
	170 Ethics (Moral philosophy)
	171 Systems & doctrines
	172 Political ethics
	173 Ethics of family relationships
	174 Economic & professional ethics
	175 Ethics of recreation & leisure
	176 Ethics of sex & reproduction
	177 Ethics of social relations
	178 Ethics of consumption
	179 Other ethical norms
	180 Ancient, medieval, Oriental philosophy
	181 Oriental philosophy
	182 Pre-Socratic Greek philosophies
	183 Sophistic & Socratic philosophies
	184 Platonic philosophy
	185 Aristotelian philosophy
	186 Skeptic and Neoplatonic philosophies
	187 Epicurean philosophy
	188 Stoic philosophy
	189 Medieval Western philosophy
	190 Modern Western philosophy
	191 Modern Western philosophy United States & Canada
	192 Modern Western philosophy British Isles
	193 Modern Western philosophy Germany & Austria
	194 Modern Western philosophy France
	195 Modern Western philosophy Italy
	196 Modern Western philosophy Spain & Portugal
	197 Modern Western philosophy Soviet Union
	198 Modern Western philosophy Scandinavia
	199 Modern Western philosophy Other geographical areas
	200 Religion
	201 Philosophy of Christianity
	202 Miscellany of Christianity
	203 Dictionaries of Christianity
	204 Special topics
	205 Serial publications of Christianity
	206 Organizations of Christianity
	207 Education, research in Christianity
	208 Kinds of persons in Christianity
	209 History & geography of Christianity
	210 Natural theology
	211 Concepts of God
	212 Existence, attributes of God
	213 Creation
	214 Theodicy
	215 Science & religion
	216 Good & evil
	217 Not assigned or no longer used
	218 Humankind
	219 Not assigned or no longer used
	220 Bible
	221 Old Testament
	222 Historical books of Old Testament
	223 Poetic books of Old Testament
	224 Prophetic books of Old Testament
	225 New Testament
	226 Gospels & Acts
	227 Epistles
	228 Revelation (Apocalypse)
	229 Apocrypha & pseudepigrapha
	230 Christian theology
	231 God
	232 Jesus Christ & his family
	233 Humankind
	234 Salvation (Soteriology) & grace
	235 Spiritual beings
	236 Eschatology
	237 Not assigned or no longer used
	238 Creeds & catechisms
	239 Apologetics & polemics
	240 Christian moral & devotional theology
	241 Moral theology
	242 Devotional literature
	243 Evangelistic writings for individuals
	244 Not assigned or no longer used
	245 Texts of hymns
	246 Use of art in Christianity
	247 Church furnishings & articles
	248 Christian experience, practice, life
	249 Christian observances in family life
	250 Christian orders & local church
	251 Preaching (Homiletics)
	252 Texts of sermons
	253 Pastoral office (Pastoral theology)
	254 Parish government & administration
	255 Religious congregations & orders
	256 - 258 Not assigned or no longer used
	259 Activities of the local church
	260 Christian social theology
	261 Social theology
	262 Ecclesiology
	263 Times, places of religious observance
	264 Public worship
	265 Sacraments, other rites & acts
	266 Missions
	267 Associations for religious work
	268 Religious education
	269 Spiritual renewal
	270 Christian church history
	271 Religious orders in church history
	272 Persecutions in church history
	273 Heresies in church history
	274 Christian church in Europe
	275 Christian church in Asia
	276 Christian church in Africa
	277 Christian church in North America
	278 Christian church in South America
	279 Christian church in other areas
	280 Christian denominations & sects
	281 Early church & Eastern churches
	282 Roman Catholic Church
	283 Anglican churches
	284 Protestants of Continental origin
	285 Presbyterian, Reformed, Congregational
	286 Baptist, Disciples of Christ, Adventist
	287 Methodist & related churches
	288 Not assigned or no longer used
	289 Other denominations & sects
	290 Other & comparative religions
	291 Comparative religion
	292 Classical (Greek & Roman) religion
	293 Germanic religion
	294 Religions of Indic origin
	295 Zoroastrianism (Mazdaism, Parseeism)
	296 Judaism
	297 Islam & religions originating in it
	298 Not assigned or no longer used
	299 Other religions
	300 Social sciences
	301 Sociology & anthropology
	302 Social interaction
	303 Social processes
	304 Factors affecting social behavior
	305 Social groups
	306 Culture & institutions
	307 Communities
	308 Not assigned or no longer used
	309 Not assigned or no longer used
	310 General statistics
	311 - 313 Not assigned or no longer used
	314 General statistics Of Europe
	315 General statistics Of Asia
	316 General statistics Of Africa
	317 General statistics Of North America
	318 General statistics Of South America
	319 General statistics Of other parts of the world
	320 Political science
	321 Systems of governments & states
	322 Relation of state to organized groups
	323 Civil & political rights
	324 The political process
	325 International migration & colonization
	326 Slavery & emancipation
	327 International relations
	328 The legislative process
	329 Not assigned or no longer used
	330 Economics
	331 Labor economics
	332 Financial economics
	333 Land economics
	334 Cooperatives
	335 Socialism & related systems
	336 Public finance
	337 International economics
	338 Production
	339 Macroeconomics & related topics
	340 Law
	341 International law
	342 Constitutional & administrative law
	343 Military, tax, trade, industrial law
	344 Social, labor, welfare, & related law
	345 Criminal law
	346 Private law
	347 Civil procedure & courts
	348 Law (Statutes), regulations, cases
	349 Law of specific jurisdictions & areas
	350 Public administration
	351 Of central governments
	352 Of local governments
	353 of U.S. federal & state governments
	354 Of specific central governments
	355 Military science
	356 Foot forces & warfare
	357 Mounted forces & warfare
	358 Other specialized forces & services
	359 Sea (Naval) forces & warfare
	360 Social services; association
	361 General social problems & services
	362 Social welfare problems & services
	363 Other social problems & services
	364 Criminology
	365 Penal & related institutions
	366 Association
	367 General clubs
	368 Insurance
	369 Miscellaneous kinds of associations
	370 Education
	371 School management; special education
	372 Elementary education
	373 Secondary education
	374 Adult education
	375 Curriculums
	376 Education of women
	377 Schools & religion
	378 Higher education
	379 Government regulation, control, support
	380 Commerce, communications, transport
	381 Internal commerce (Domestic trade)
	382 International commerce (Foreign trade)
	383 Postal communication
	384 Communications Telecommunication
	385 Railroad transportation
	386 Inland waterway & ferry transportation
	387 Water, air, space transportation
	388 Transportation Ground transportation
	389 Metrology & standardization
	390 Customs, etiquette, folklore
	391 Costume & personal appearance
	392 Customs of life cycle & domestic life
	393 Death customs
	394 General customs
	395 Etiquette (Manners)
	396 Not assigned or no longer used
	397 Not assigned or no longer used
	398 Folklore
	399 Customs of war & diplomacy
	400 Language
	401 Philosophy & theory
	402 Miscellany
	403 Dictionaries & encyclopedias
	404 Special topics
	405 Serial publications
	406 Organizations & management
	407 Education, research, related topics
	408 With respect to kinds of persons
	409 Geographical & persons treatment
	410 Linguistics
	411 Writing systems
	412 Etymology
	413 Dictionaries
	414 Phonology
	415 Structural systems (Grammar)
	416 Not assigned or no longer used
	417 Dialectology & historical linguistics
	418 Standard usage Applied linguistics
	419 Verbal language not spoken or written
	420 English & Old English
	421 English writing system & phonology
	422 English etymology
	423 English dictionaries
	424 Not assigned or no longer used
	425 English grammar
	426 Not assigned or no longer used
	427 English language variations
	428 Standard English usage
	429 Old English (Anglo-Saxon)
	430 Germanic languages German
	431 German writing system & phonology
	432 German etymology
	433 German dictionaries
	434 Not assigned or no longer used
	435 German grammar
	436 Not assigned or no longer used
	437 German language variations
	438 Standard German usage
	439 Other Germanic languages
	440 Romance languages French
	441 French writing system & phonology
	442 French etymology
	443 French dictionaries
	444 Not assigned or no longer used
	445 French grammar
	446 Not assigned or no longer used
	447 French language variations
	448 Standard French usage
	449 Provencal & Catalan
	450 Italian, Romanian, Rhaeto-Romantic
	451 Italian writing system & phonology
	452 Italian etymology
	453 Italian dictionaries
	454 Not assigned or no longer used
	455 Italian grammar
	456 Not assigned or no longer used
	457 Italian language variations
	458 Standard Italian usage
	459 Romanian & Rhaeto-Romanic
	460 Spanish & Portuguese languages
	461 Spanish writing system & phonology
	462 Spanish etymology
	463 Spanish dictionaries
	464 Not assigned or no longer used
	465 Spanish grammar
	466 Not assigned or no longer used
	467 Spanish language variations
	468 Standard Spanish usage
	469 Portuguese
	470 Italic Latin
	471 Classical Latin writing & phonology
	472 Classical Latin etymology & phonology
	473 Classical Latin dictionaries
	474 Not assigned or no longer used
	475 Classical Latin grammar
	476 Not assigned or no longer used
	477 Old, Postclassical, Vulgar Latin
	478 Classical Latin usage
	479 Other Italic languages
	480 Hellenic languages Classical Greek
	481 Classical Greek writing & phonology
	482 Classical Greek etymology
	483 Classical Greek dictionaries
	484 Not assigned or no longer used
	485 Classical Greek grammar
	486 Not assigned or no longer used
	487 Preclassical & postclassical Greek
	488 Classical Greek usage
	489 Other Hellenic languages
	490 Other languages
	491 East Indo-European & Celtic languages
	492 Afro-Asiatic languages Semitic
	493 Non-Semitic Afro-Asiatic languages
	494 Ural-Altaic, Paleosiberian, Dravidian
	495 Languages of East & Southeast Asia
	496 African languages
	497 North American native languages
	498 South American native languages
	499 Miscellaneous languages
	500 Natural sciences & mathematics
	501 Philosophy & theory
	502 Miscellany
	503 Dictionaries & encyclopedias
	504 Not assigned or no longer used
	505 Serial publications
	506 Organizations & management
	507 Education, research, related topics
	508 Natural history
	509 Historical, areas, persons treatment
	510 Mathematics
	511 General principles
	512 Algebra & number theory
	513 Arithmetic
	514 Topology
	515 Analysis
	516 Geometry
	517 Not assigned or no longer used
	518 Not assigned or no longer used
	519 Probabilities & applied mathematics
	520 Astronomy & allied sciences
	521 Celestial mechanics
	522 Techniques, equipment, materials
	523 Specific celestial bodies & phenomena
	524 Not assigned or no longer used
	525 Earth (Astronomical geography)
	526 Mathematical geography
	527 Celestial navigation
	528 Ephemerides
	529 Chronology
	530 Physics
	531 Classical mechanics Solid mechanics
	532 Fluid mechanics Liquid mechanics
	533 Gas mechanics
	534 Sound & related vibrations
	535 Light & paraphotic phenomena
	536 Heat
	537 Electricity & electronics
	538 Magnetism
	539 Modern physics
	540 Chemistry & allied sciences
	541 Physical & theoretical chemistry
	542 Techniques, equipment, materials
	543 Analytical chemistry
	544 Qualitative analysis
	545 Quantitative analysis
	546 Inorganic chemistry
	547 Organic chemistry
	548 Crystallography
	549 Mineralogy
	550 Earth sciences
	551 Geology, hydrology, meteorology
	552 Petrology
	553 Economic geology
	554 Earth sciences of Europe
	555 Earth sciences of Asia
	556 Earth sciences of Africa
	557 Earth sciences of North America
	558 Earth sciences of South America
	559 Earth sciences of other areas
	560 Paleontology Paleozoology
	561 Paleobotany
	562 Fossil invertebrates
	563 Fossil primitive phyla
	564 Fossil Mollusca & Molluscoidea
	565 Other fossil invertebrates
	566 Fossil Vertebrata (Fossil Craniata)
	567 Fossil cold-blooded vertebrates
	568 Fossil Aves (Fossil birds)
	569 Fossil Mammalia
	570 Life sciences
	571 Not assigned or no longer used
	572 Human races
	573 Physical anthropology
	574 Biology
	575 Evolution & genetics
	576 Microbiology
	577 General nature of life
	578 Microscopy in biology
	579 Collection and preservation
	580 Botanical sciences
	581 Botany
	582 Spermatophyta (Seed-bearing plants)
	583 Dicotyledones
	584 Monocotyledones
	585 Gymnospermae (Pinophyta)
	586 Cryptogamia (Seedless plants)
	587 Pteridophyta (Vascular cryptograms)
	588 Bryophyta
	589 Thallobionta & Prokaryotae
	590 Zoological sciences
	591 Zoology
	592 Invertebrates
	593 Protozoa, Echinodermata, related phyla
	594 Mollusca & Molluscoidea
	595 Other invertebrates
	596 Vertebrata (Craniata, Vertebrates)
	597 Cold-blooded vertebrates Fishes
	598 Aves (Birds)
	599 Mammalia (Mammals)
	600 Technology (Applied sciences)
	601 Philosophy & theory
	602 Miscellany
	603 Dictionaries & encyclopedias
	604 Special topics
	605 Serial publications
	606 Organizations
	607 Education, research, related topics
	608 Invention & patents
	609 Historical, areas, persons treatment
	610 Medical sciences Medicine
	611 Human anatomy, cytology, histology
	612 Human physiology
	613 Promotion of health
	614 Incidence & prevention of disease
	615 Pharmacology & theraputics
	616 Diseases
	617 Surgery & related medical specialities
	618 Gynecology & other medical specialities
	619 Experimental medicine
	620 Engineering & allied operations
	621 Applied physics
	622 Mining & related operations
	623 Military & nautical engineering
	624 Civil engineering
	625 Engineering of railroads, roads
	626 Not assigned or no longer used
	627 Hydraulic engineering
	628 Sanitary & municipal engineering
	629 Other branches of engineering
	630 Agriculture
	631 Techniques, equipment, materials
	632 Plant injuries, diseases, pests
	633 Field & plantation crops
	634 Orchards, fruits, forestry
	635 Garden crops (Horticulture)
	636 Animal husbandry
	637 Processing dairy & related products
	638 Insect culture
	639 Hunting, fishing, conservation
	640 Home economics & family living
	641 Food & drink
	642 Meals & table service
	643 Housing & household equipment
	644 Household utilities
	645 Household furnishings
	646 Sewing, clothing, personal living
	647 Management of public households
	648 Housekeeping
	649 Child rearing & home care of sick
	650 Management & auxiliary services
	651 Office services
	652 Processes of written communication
	653 Shorthand
	654 - 656 Not assigned or no longer used
	657 Accounting
	658 General management
	659 Advertising & public relations
	660 Chemical engineering
	661 Industrial chemicals technology
	662 Explosives, fuels technology
	663 Beverage technology
	664 Food technology
	665 Industrial oils, fats, waxes, gases
	666 Ceramic & allied technologies
	667 Cleaning, color, related technologies
	668 Technology of other organic products
	669 Metallurgy
	670 Manufacturing
	671 Metalworking & metal products
	672 Iron, steel, other iron alloys
	673 Nonferrous metals
	674 Lumber processing, wood products, cork
	675 Leather & fur processing
	676 Pulp & paper technology
	677 Textiles
	678 Elastomers & elastomer products
	679 Other products of specific materials
	680 Manufacture for specific uses
	681 Precision instruments & other devices
	682 Small forge work (Blacksmithing)
	683 Hardware & household appliances
	684 Furnishings & home workshops
	685 Leather, fur, related products
	686 Printing & related activities
	687 Clothing
	688 Other final products & packaging
	689 Not assigned or no longer used
	690 Buildings
	691 Building materials
	692 Auxiliary construction practices
	693 Specific materials & purposes
	694 Wood construction Carpentry
	695 Roof covering
	696 Utilities
	697 Heating, ventilating, air-conditioning
	698 Detail finishing
	699 Not assigned or no longer used
	700 The arts
	701 Philosophy & theory
	702 Miscellany
	703 Dictionaries & encyclopedias
	704 Special topics
	705 Serial publications
	706 Organizations & management
	707 Education, research, related topics
	708 Galleries, museums, private collections
	709 Historical, areas, persons treatment
	710 Civic & landscape art
	711 Area planning (Civic art)
	712 Landscape architecture
	713 Landscape architecture of trafficways
	714 Water features
	715 Woody plants
	716 Herbaceous plants
	717 Structures
	718 Landscape design of cemeteries
	719 Natural landscapes
	720 Architecture
	721 Architectural structure
	722 Architecture to ca. 300
	723 Architecture from ca. 300 to 1399
	724 Architecture from 1400
	725 Public structures
	726 Buildings for religious purposes
	727 Buildings for education & research
	728 Residential & related buildings
	729 Design & decoration
	730 Plastic arts Sculpture
	731 Processes, forms, subjects of sculpture
	732 Sculpture to ca. 500
	733 Greek, Etruscan, Roman sculpture
	734 Sculpture from ca. 500 to 1399
	735 Sculpture from 1400
	736 Carving & carvings
	737 Numismatics & sigillography
	738 Ceramic arts
	739 Art metalwork
	740 Drawing & decorative arts
	741 Drawing & drawings
	742 Perspective
	743 Drawing & drawings by subject
	744 Not assigned or no longer used
	745 Decorative arts
	746 Textile arts
	747 Interior decoration
	748 Glass
	749 Furniture & accessories
	750 Painting & paintings
	751 Techniques, equipment, forms
	752 Color
	753 Symbolism, allegory, mythology, legend
	754 Genre paintings
	755 Religion & religious symbolism
	756 Not assigned or no longer used
	757 Human figures & their parts
	758 Other subjects
	759 Historical, areas, persons treatment
	760 Graphic arts Printmaking & prints
	761 Relief processes (Block printing)
	762 Not assigned or no longer used
	763 Lithographic (Planographic) processes
	764 Chromolithography & serigraphy
	765 Metal engraving
	766 Mezzotinting & related processes
	767 Etching & drypoint
	768 Not assigned or no longer used
	769 Prints
	770 Photography & photographs
	771 Techniques, equipment, materials
	772 Metallic salt processes
	773 Pigment processes of printing
	774 Holography
	775 - 777 Not assigned or no longer used
	778 Fields & kinds of photography
	779 Photographs
	780 Music
	781 General principles & musical forms
	782 Vocal music
	783 Music for single voices The voice
	784 Instruments & Instrumental ensembles
	785 Chamber music
	786 Keyboard & other instruments
	787 Stringed instruments (Chordophones)
	788 Wind instruments (Aerophones)
	789 Not assigned or no longer used
	790 Recreational & performing arts
	791 Public performances
	792 Stage presentations
	793 Indoor games & amusements
	794 Indoor games of skill
	795 Games of chance
	796 Athletic & outdoor sports & games
	797 Aquatic & air sports
	798 Equestrian sports & animal racing
	799 Fishing, hunting, shooting
	800 Literature & rhetoric
	801 Philosophy & theory
	802 Miscellany
	803 Dictionaries & encyclopedias
	804 Not assigned or no longer used
	805 Serial publications
	806 Organizations
	807 Education, research, related topics
	808 Rhetoric & collections of literature
	809 Literary history & criticism
	810 American literature in English
	811 Poetry
	812 Drama
	813 Fiction
	814 Essays
	815 Speeches
	816 Letters
	817 Satire & humor
	818 Miscellaneous writings
	819 Not assigned or no longer used
	820 English & Old English literatures
	821 English poetry
	822 English drama
	823 English fiction
	824 English essays
	825 English speeches
	826 English letters
	827 English satire & humor
	828 English miscellaneous writings
	829 Old English (Anglo-Saxon)
	830 Literatures of Germanic languages
	831 German poetry
	832 German drama
	833 German fiction
	834 German essays
	835 German speeches
	836 German letters
	837 German satire & humor
	838 German miscellaneous writings
	839 Other Germanic literatures
	840 Literatures of Romance languages
	841 French poetry
	842 French drama
	843 French fiction
	844 French essays
	845 French speeches
	846 French letters
	847 French satire & humor
	848 French miscellaneous writings
	849 Provencal & Catalan
	850 Italian, Romanian, Rhaeto-Romanic
	851 Italian poetry
	852 Italian drama
	853 Italian fiction
	854 Italian essays
	855 Italian speeches
	856 Italian letters
	857 Italian satire & humor
	858 Italian miscellaneous writings
	859 Romanian & Rhaeto-Romanic
	860 Spanish & Portuguese literatures
	861 Spanish poetry
	862 Spanish drama
	863 Spanish fiction
	864 Spanish essays
	865 Spanish speeches
	866 Spanish letters
	867 Spanish satire & humor
	868 Spanish miscellaneous writings
	869 Portuguese
	870 Italic literatures Latin
	871 Latin poetry
	872 Latin dramatic poetry & drama
	873 Latin epic poetry & fiction
	874 Latin lyric poetry
	875 Latin speeches
	876 Latin letters
	877 Latin satire & humor
	878 Latin miscellaneous writings
	879 Literatures of other Italic languages
	880 Hellenic literatures Classical Greek
	881 Classical Greek poetry
	882 Classical Greek drama
	883 Classical Greek epic poetry & fiction
	884 Classical Greek lyric poetry
	885 Classical Greek speeches
	886 Classical Greek letters
	887 Classical Greek satire & humor
	888 Classical Greek miscellaneous writings
	889 Modern Greek
	890 Literatures of other languages
	891 East Indo-European & Celtic
	892 Afro-Asiatic literatures Semitic
	893 Non-Semitic Afro-Asiatic literatures
	894 Ural-Altaic, Paleosiberian, Dravidian
	895 Literatures of East & Southeast Asia
	896 African literatures
	897 North American native literatures
	898 South Anerican native literatures
	899 Other literatures
	900 Geography & history
	901 Philosophy & theory
	902 Miscellany
	903 Dictionaries & encyclopedias
	904 Collected accounts of events
	905 Serial publications
	906 Organizations & management
	907 Education, research, related topics
	908 With respect to kinds of persons
	909 World history
	910 Geography & travel
	911 Historical geography
	912 Graphic representations of earth
	913 Ancient world
	914 Europe
	915 Asia
	916 Africa
	917 North America
	918 South America
	919 Other areas
	920 Biography, genealogy, insignia
	921 - 928 Not assigned or no longer used
	929 Genealogy, names, insignia
	930 History of ancient world
	931 History of ancient world China
	932 History of ancient world Egypt
	933 History of ancient world Palestine
	934 History of ancient world India
	935 History of ancient world Mesopotamia & Iranian Plateau
	936 History of ancient world Europe north & west of Italy
	937 History of ancient world Italy & adjacent territories
	938 History of ancient world Greece
	939 History of ancient world Other parts of ancient world
	940 General history of Europe
	941 General history of Europe British Isles
	942 General history of Europe England & Wales
	943 General history of Europe Central Europe Germany
	944 General history of Europe France & Monaco
	945 General history of Europe Italian Peninsula & adjacent islands
	946 General history of Europe Iberian Peninsula & adjacent islands
	947 General history of Europe Eastern Europe Soviet Union
	948 General history of Europe Northern Europe Scandinavia
	949 General history of Europe Other parts of Europe
	950 General history of Asia Far East
	951 General history of Asia China & adjacent areas
	952 General history of Asia Japan
	953 General history of Asia Arabian Peninsula & adjacent areas
	954 General history of Asia South Asia India
	955 General history of Asia Iran
	956 General history of Asia Middle East (Near East)
	957 General history of Asia Siberia (Asiatic Russia)
	958 General history of Asia Central Asia
	959 General history of Asia Southeast Asia
	960 General history of Africa
	961 General history of Africa Tunisia & Libya
	962 General history of Africa Egypt & Sudan
	963 General history of Africa Ethiopia
	964 General history of Africa Morocco & Canary Islands
	965 General history of Africa Algeria
	966 General history of Africa West Africa & offshore islands
	967 General history of Africa Central Africa & offshore islands
	968 General history of Africa Southern Africa
	969 General history of Africa South Indian Ocean islands
	970 General history of North America
	971 General history of North America Canada
	972 General history of North America Middle America Mexico
	973 General history of North America United States
	974 General history of North America Northeastern United States
	975 General history of North America Southeastern United States
	976 General history of North America South central United States
	977 General history of North America North central United States
	978 General history of North America Western United States
	979 General history of North America Great Basin & Pacific Slope
	980 General history of South America
	981 General history of South America Brazil
	982 General history of South America Argentina
	983 General history of South America Chile
	984 General history of South America Bolivia
	985 General history of South America Peru
	986 General history of South America Colombia & Ecuador
	987 General history of South America Venezuela
	988 General history of South America Guiana
	989 General history of South America Paraguay & Uruguay
	990 General history of other areas
	991 Not assigned or no longer used
	992 Not assigned or no longer used
	993 General history of other areas New Zealand
	994 General history of other areas Australia
	995 General history of other areas Melanesia New Guinea
	996 General history of other areas Other parts of Pacific Polynesia
	997 General history of other areas Atlantic Ocean islands
	998 General history of other areas Arctic islands & Antarctica
	999 Extraterrestrial worlds
	]
	]

---

Latest revision as of 15:02, 24 October 2024

Codes of a library classification system

The Dewey Decimal Classification (DDC) is structured around ten main classes covering the entire world of knowledge; each main class is further structured into ten hierarchical divisions, each having ten divisions of increasing specificity. As a system of library classification the DDC is "arranged by discipline, not subject", so a topic like clothing is classed based on its disciplinary treatment (psychological influence of clothing at 155.95, customs associated with clothing at 391, and fashion design of clothing at 746.92) within the conceptual framework. The list below presents the ten main classes, hundred divisions, and thousand sections.

Class 000 – Computer science, information, and general works

• 000 Computer science, knowledge, and systems
  • 000 Computer science, information and general works
  • 001 Knowledge
  • 002 The book (writing, libraries, and book-related topics)
  • 003 Systems
  • 004 Data processing and computer science
  • 005 Computer programming, programs, and data
  • 006 Special computer methods (e.g. AI, multimedia, VR)
  • 007–009
• 010 Bibliographies
  • 010 Bibliography
  • 011 Bibliographies
  • 012 Bibliographies of individuals
  • 013
  • 014 Bibliographies of anonymous and pseudonymous works
  • 015 Bibliographies of works from specific places
  • 016 Bibliographies of works on specific subjects
  • 017 General subject catalogs
  • 018 Catalogs arranged by author, date, etc.
  • 019 Dictionary catalogs
• 020 Library and information sciences
  • 020 Library and information sciences
  • 021 Library relationships (with archives, information centers, etc.)
  • 022 Administration of physical plant
  • 023 Personnel management
  • 024
  • 025 Library operations
  • 026 Libraries for specific subjects
  • 027 General libraries
  • 028 Reading and use of other information media
  • 029
• 030 Encyclopedias and books of facts
  • 030 General encyclopedic works
  • 031 Encyclopedias in American English
  • 032 Encyclopedias in English
  • 033 Encyclopedias in other Germanic languages
  • 034 Encyclopedias in French, Occitan, and Catalan
  • 035 Encyclopedias in Italian, Romanian, and related languages
  • 036 Encyclopedias in Spanish and Portuguese
  • 037 Encyclopedias in Slavic languages
  • 038 Encyclopedias in Scandinavian languages
  • 039 Encyclopedias in other languages
• 040 Unassigned (formerly Biographies)
• 050 Magazines, journals and serials
  • 050 General serial publications
  • 051 Serials in American English
  • 052 Serials in English
  • 053 Serials in other Germanic languages
  • 054 Serials in French, Occitan, and Catalan
  • 055 Serials in Italian, Romanian, and related languages
  • 056 Serials in Spanish and Portuguese
  • 057 Serials in Slavic languages
  • 058 Serials in Scandinavian languages
  • 059 Serials in other languages
• 060 Associations, organizations and museums
  • 060 General organizations and museum science
  • 061 Organizations in North America
  • 062 Organizations in British Isles; in England
  • 063 Organizations in central Europe; in Germany
  • 064 Organizations in France and Monaco
  • 065 Organizations in Italy and adjacent islands
  • 066 Organizations in Iberian Peninsula and adjacent islands
  • 067 Organizations in eastern Europe; in Russia
  • 068 Organizations in other geographic areas
  • 069 Museum science
• 070 News media, journalism, and publishing
  • 070 News media, journalism, and publishing
  • 071 Newspapers in North America
  • 072 Newspapers in British Isles; in England
  • 073 Newspapers in central Europe; in Germany
  • 074 Newspapers in France and Monaco
  • 075 Newspapers in Italy and adjacent islands
  • 076 Newspapers in Iberian peninsula and adjacent islands
  • 077 Newspapers in eastern Europe; in Russia
  • 078 Newspapers in Scandinavia
  • 079 Newspapers in other geographic areas
• 080 Quotations
  • 080 General collections
  • 081 Collections in American English
  • 082 Collections in English
  • 083 Collections in other Germanic languages
  • 084 Collections in French, Occitan, Catalan
  • 085 Collections in Italian, Romanian, and related languages
  • 086 Collections in Spanish and Portuguese
  • 087 Collections in Slavic languages
  • 088 Collections in Scandinavian languages
  • 089 Collections in other languages
• 090 Manuscripts and rare books
  • 090 Manuscripts and rare books
  • 091 Manuscripts
  • 092 Block books
  • 093 Incunabula
  • 094 Printed books
  • 095 Books notable for bindings
  • 096 Books notable for illustrations
  • 097 Books notable for ownership or origin
  • 098 Prohibited works, forgeries, and hoaxes
  • 099 Books notable for format

Class 100 – Philosophy and psychology

• 100 Philosophy
  • 100 Philosophy and psychology
  • 101 Theory of philosophy
  • 102 Miscellany
  • 103 Dictionaries and encyclopedias
  • 104 No longer used — formerly Essays
  • 105 Serial publications
  • 106 Organizations and management
  • 107 Education, research, related topics of philosophy
  • 108 Groups of people
  • 109 History and collected biography
• 110 Metaphysics
  • 110 Metaphysics
  • 111 Ontology
  • 112 No longer used — formerly Methodology
  • 113 Cosmology (Philosophy of nature)
  • 114 Space
  • 115 Time
  • 116 Change
  • 117 Structure
  • 118 Force and energy
  • 119 Number and quantity
• 120 Epistemology
  • 120 Epistemology, causation, and humankind
  • 121 Epistemology (Theory of knowledge)
  • 122 Causation
  • 123 Determinism and indeterminism
  • 124 Teleology
  • 125 No longer used — formerly Infinity
  • 126 The self
  • 127 The unconscious and the subconscious
  • 128 Humankind
  • 129 Origin and destiny of individual souls
• 130 Parapsychology and occultism
  • 130 Parapsychology and occultism
  • 131 Parapsychological and occult methods for achieving well-being, happiness, success
  • 132 No longer used — formerly "Mental derangements"
  • 133 Specific topics in parapsychology and occultism
  • 134 No longer used — formerly "Mesmerism and Clairvoyance"
  • 135 Dreams and mysteries
  • 136 No longer used — formerly "Mental characteristics"
  • 137 Divinatory graphology
  • 138 Physiognomy
  • 139 Phrenology
• 140 Philosophical schools of thought
  • 140 Specific philosophical schools and viewpoints
  • 141 Idealism and related systems and doctrines
  • 142 Critical philosophy
  • 143 Bergsonism and intuitionism
  • 144 Humanism and related systems and doctrines
  • 145 Sensationalism
  • 146 Naturalism and related systems and doctrines
  • 147 Pantheism and related systems and doctrines
  • 148 Dogmatism, eclecticism, liberalism, syncretism, and traditionalism
  • 149 Other philosophical systems and doctrines
• 150 Psychology
  • 150 Psychology
  • 151 No longer used — formerly "Intellect"
  • 152 Sensory perception, movement, emotions, and physiological drives
  • 153 Conscious mental processes and intelligence
  • 154 Subconscious and altered states and processes
  • 155 Differential and developmental psychology
  • 156 Comparative psychology
  • 157 No longer used — formerly "Emotions"
  • 158 Applied psychology
  • 159 No longer used — formerly "Will"
• 160 Philosophical logic
  • 160 Philosophical logic
  • 161 Induction
  • 162 Deduction
  • 163–164 Not assigned or no longer used
  • 165 Fallacies and sources of error
  • 166 Syllogisms
  • 167 Hypotheses
  • 168 Argument and persuasion
  • 169 Analogy
• 170 Ethics
  • 170 Ethics (Moral philosophy)
  • 171 Ethical systems
  • 172 Political ethics
  • 173 Ethics of family relationships
  • 174 Occupational ethics
  • 175 Ethics of recreation, leisure, public performances, communication
  • 176 Ethics of sex and reproduction
  • 177 Ethics of social relations
  • 178 Ethics of consumption
  • 179 Other ethical norms
• 180 Ancient, medieval, and Eastern philosophy
  • 180 Ancient, medieval, eastern philosophy
  • 181 Eastern philosophy
  • 182 Pre-Socratic Greek philosophies
  • 183 Sophistic, Socratic, related Greek philosophies
  • 184 Platonic philosophy
  • 185 Aristotelian philosophy
  • 186 Skeptic and Neoplatonic philosophies
  • 187 Epicurean philosophy
  • 188 Stoic philosophy
  • 189 Medieval Western philosophy
• 190 Modern Western philosophy (19th-century, 20th-century)
  • 190 Modern Western and other noneastern philosophy
  • 191 Philosophy of the United States and Canada
  • 192 Philosophy of the British Isles
  • 193 Philosophy of Germany and Austria
  • 194 Philosophy of France
  • 195 Philosophy of Italy
  • 196 Philosophy of Spain and Portugal
  • 197 Philosophy of Russia
  • 198 Philosophy of Scandinavia and Finland
  • 199 Philosophy in other geographic areas

Class 200 – Religion

• 200 Religion
  • 200 Religion
  • 201 Religious mythology, general classes of religion, interreligious relations and attitudes, social theology
  • 202 Doctrines
  • 203 Public worship and other practices
  • 204 Religious experience, life, practice
  • 205 Religious ethics
  • 206 Leaders and organization
  • 207 Missions and religious education
  • 208 Sources
  • 209 Sects and reform movements
• 210 Philosophy and theory of religion
  • 210 Philosophy and theory of religion
  • 211 Concepts of God
  • 212 Existence, ways of knowing God, attributes of God
  • 213 Creation
  • 214 Theodicy
  • 215 Science and religion
  • 216 No longer used—formerly Evil
  • 217 No longer used—formerly Prayer
  • 218 Humankind
  • 219 No longer used—formerly Analogies
• 220 The Bible
  • 220 Bible
  • 221 Old Testament (Tanakh)
  • 222 Historical books of Old Testament
  • 223 Poetic books of Old Testament
  • 224 Prophetic books of Old Testament
  • 225 New Testament
  • 226 Gospels and Acts
  • 227 Epistles
  • 228 Revelation (Apocalypse)
  • 229 Apocrypha, pseudepigrapha, and inter-testamental works
• 230 Christianity
  • 230 Christianity
  • 231 God
  • 232 Jesus Christ and his family
  • 233 Humankind
  • 234 Salvation and grace
  • 235 Spiritual beings
  • 236 Eschatology
  • 237 No longer used—formerly Future state
  • 238 Creeds, confessions of faith, covenants, and catechisms
  • 239 Apologetics and polemics
• 240 Christian practice and observance
  • 240 Christian moral and devotional theology
  • 241 Christian ethics
  • 242 Devotional literature
  • 243 Evangelistic writings for individuals and families
  • 244 No longer used—formerly Religious fiction
  • 245 No longer used—formerly Hymnology
  • 246 Use of art in Christianity
  • 247 Church furnishings and related articles
  • 248 Christian experience, practice, life
  • 249 Christian observances in family life
• 250 Christian orders and local church
  • 250 Local Christian church and Christian religious orders
  • 251 Preaching (Homiletics)
  • 252 Texts of sermons
  • 253 Pastoral office and work (Pastoral theology)
  • 254 Parish administration
  • 255 Religious congregations and orders
  • 256 No longer used — formerly Religious societies
  • 257 No longer used — formerly Parochial schools, libraries, etc.
  • 258 No longer used — formerly Parochial medicine
  • 259 Pastoral care of families, of specific groups of people
• 260 Social and ecclesiastical theology
  • 260 Christian social and ecclesiastical theology
  • 261 Social theology and interreligious relations and attitudes
  • 262 Ecclesiology
  • 263 Days, times, places of religious observance
  • 264 Public worship
  • 265 Sacraments, other rites and acts
  • 266 Missions
  • 267 Associations for religious work
  • 268 Religious education
  • 269 Spiritual renewal
• 270 History of Christianity
  • 270 History, geographic treatment, biography of Christianity
  • 271 Religious congregations and orders in church history
  • 272 Persecutions in church history
  • 273 Doctrinal controversies and heresies in general church history
  • 274 Christianity in Europe
  • 275 Christianity in Asia
  • 276 Christianity in Africa
  • 277 Christianity in North America
  • 278 Christianity in South America
  • 279 History of Christianity in other areas
• 280 Christian denominations
  • 280 Denominations and sects of Christian church
  • 281 Early church and Eastern churches
  • 282 Roman Catholic Church
  • 283 Anglican churches
  • 284 Protestant denominations of Continental origin (Lutheran, Continental Reformed)
  • 285 Presbyterian churches, Reformed churches centered in America, Congregational churches
  • 286 Baptist, Restoration Movement, Adventist churches
  • 287 Methodist churches; churches related to Methodism
  • 288 No longer used — formerly Unitarian
  • 289 Other denominations and sects
• 290 Other religions
  • 290 Other religions
  • 291 No longer used — formerly Comparative religion
  • 292 Classical religion (Greek and Roman religion)
  • 293 Germanic religion
  • 294 Religions of Indic origin
  • 295 Zoroastrianism (Mazdaism, Parseeism)
  • 296 Judaism
  • 297 Islam, Bábism, and Baháʼí Faith
  • 298 No longer used — formerly Mormonism
  • 299 Religions not provided for elsewhere

Class 300 – Social sciences

• 300 Social sciences, sociology, and anthropology
  • 300 Social sciences
  • 301 Sociology and anthropology
  • 302 Social interaction
  • 303 Social processes
  • 304 Factors affecting social behavior
  • 305 Groups of people
  • 306 Culture and institutions
  • 307 Communities
  • 308 No longer used — formerly "Polygraphy"
  • 309 No longer used — formerly "History of sociology"
• 310 Statistics
  • 310 Collections of general statistics
  • 311 No longer used — formerly "Theory and methods"
  • 312 No longer used — formerly "Population"
  • 313 No longer used — formerly "Special topics"
  • 314 General statistics of Europe
  • 315 General statistics of Asia
  • 316 General statistics of Africa
  • 317 General statistics of North America
  • 318 General statistics of South America
  • 319 General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica
• 320 Political science
  • 320 Political science (Politics and government)
  • 321 Systems of governments and states
  • 322 Relation of state to organized groups and their members
  • 323 Civil and political rights
  • 324 The political process
  • 325 International migration and colonization
  • 326 Slavery and emancipation
  • 327 International relations
  • 328 The legislative process
  • 329 No longer used— formerly "Political Parties"
• 330 Economics
  • 330 Economics
  • 331 Labor economics
  • 332 Financial economics
  • 333 Economics of land and energy
  • 334 Cooperatives
  • 335 Socialism and related systems
  • 336 Public finance
  • 337 International economics
  • 338 Production
  • 339 Macroeconomics and related topics
• 340 Law
  • 340 Law
  • 341 Law of nations
  • 342 Constitutional and administrative law
  • 343 Military, defense, public property, public finance, tax, commerce (trade), industrial law
  • 344 Labor, social service, education, cultural law
  • 345 Criminal law
  • 346 Private law
  • 347 Procedure and courts
  • 348 Laws, regulations, cases
  • 349 Law of specific jurisdictions, areas, socioeconomic regions, regional intergovernmental organizations
• 350 Public administration and military science
  • 350 Public administration and military science
  • 351 Public administration
  • 352 General considerations of public administration
  • 353 Specific fields of public administration
  • 354 Public administration of economy and environment
  • 355 Military science
  • 356 Foot forces and warfare
  • 357 Mounted forces and warfare
  • 358 Air and other specialized forces and warfare; engineering and related services
  • 359 Sea forces and warfare
• 360 Social problems and social services
  • 360 Social problems and services; associations
  • 361 Social problems and services
  • 362 Social problems of and services to groups of people
  • 363 Other social problems and services
  • 364 Criminology
  • 365 Penal and related institutions
  • 366 Secret associations and societies
  • 367 General clubs
  • 368 Insurance
  • 369 Associations
• 370 Education
  • 370 Education
  • 371 Schools and their activities, special education
  • 372 Primary education (elementary education)
  • 373 Secondary education
  • 374 Adult education
  • 375 Curriculum
  • 376 No longer used — formerly "Education of women"
  • 377 No longer used — formerly "Ethical education"
  • 378 Higher education (Tertiary education)
  • 379 Public policy issues in education
• 380 Commerce, communications and transportation
  • 380 Commerce, communications transportation
  • 381 Commerce (Trade)
  • 382 International commerce (Foreign trade)
  • 383 Postal communication
  • 384 Communications
  • 385 Railroad transportation
  • 386 Inland waterway and ferry transportation
  • 387 Water, air, space transportation
  • 388 Transportation
  • 389 Metrology and standardization
• 390 Customs, etiquette and folklore
  • 390 Customs, etiquette, folklore
  • 391 Costume and personal appearance
  • 392 Customs of life cycle and domestic life
  • 393 Death customs
  • 394 General customs
  • 395 Etiquette (Manners)
  • 396 No longer used — formerly "Women's position and treatment"
  • 397 No longer used — formerly "outcast studies"
  • 398 Folklore
  • 399 Customs of war and diplomacy

Class 400 – Language

• 400 Language
  • 400 Language
  • 401 Philosophy and theory, international languages
  • 402 Miscellany
  • 403 Dictionaries, encyclopedias, concordances
  • 404 Special topics of language
  • 405 Serial publications
  • 406 Organizations and management
  • 407 Education, research, related topics
  • 408 Groups of people
  • 409 Geographic treatment and biography
• 410 Linguistics
  • 410 Linguistics
  • 411 Writing systems of standard forms of languages
  • 412 Etymology of standard forms of languages
  • 413 Dictionaries of standard forms of languages
  • 414 Phonology and phonetics of standard forms of languages
  • 415 Grammar of standard forms of languages
  • 416 No longer used — formerly "Prosody"
  • 417 Dialectology and historical linguistics
  • 418 Standard usage (Prescriptive linguistics)
  • 419 Sign languages
• 420 English and Old English languages
  • 420 English and Old English (Anglo-Saxon)
  • 421 Writing system, phonology, phonetics of standard English
  • 422 Etymology of standard English
  • 423 Dictionaries of standard English
  • 424 No longer used — formerly "English thesauruses"
  • 425 Grammar of standard English
  • 426 No longer used — formerly "English prosodies"
  • 427 Historical and geographical variations, modern nongeographic variations of English
  • 428 Standard English usage (Prescriptive linguistics)
  • 429 Old English (Anglo-Saxon)
• 430 German and related languages
  • 430 German and related languages
  • 431 Writing systems, phonology, phonetics of standard German
  • 432 Etymology of standard German
  • 433 Dictionaries of standard German
  • 434 Not assigned or no longer used
  • 435 Grammar of standard German
  • 436 Not assigned or no longer used
  • 437 Historical and geographic variations, modern nongeographic variations of German
  • 438 Standard German usage (Prescriptive linguistics)
  • 439 Other Germanic languages
• 440 French and related languages
  • 440 French and related Romance languages
  • 441 Writing systems, phonology, phonetics of standard French
  • 442 Etymology of standard French
  • 443 Dictionaries of standard French
  • 444 Not assigned or no longer used
  • 445 Grammar of standard French
  • 446 Not assigned or no longer used
  • 447 Historical and geographic variations, modern nongeographic variations of French
  • 448 Standard French usage (Prescriptive linguistics)
  • 449 Occitan Catalan, Franco-Provençal
• 450 Italian, Romanian and related languages
  • 450 Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican
  • 451 Writing systems, phonology, phonetics of standard Italian
  • 452 Etymology of standard Italian
  • 453 Dictionaries of standard Italian
  • 454 Not assigned or no longer used
  • 455 Grammar of standard Italian
  • 456 Not assigned or no longer used
  • 457 Historical and geographic variations, modern nongeographic variations of Italian
  • 458 Standard Italian usage (Prescriptive linguistics)
  • 459 Romanian, Rhaetian, Sardinian, Corsican
• 460 Spanish, Portuguese, Galician
  • 460 Spanish, Portuguese, Galician
  • 461 Writing systems, phonology, phonetics of standard Spanish
  • 462 Etymology of standard Spanish
  • 463 Dictionaries of standard Spanish
  • 464 Not assigned or no longer used
  • 465 Grammar of standard Spanish
  • 466 Not assigned or no longer used
  • 467 Historical and geographic variations, modern nongeographic variations of Spanish
  • 468 Standard Spanish usage (Prescriptive linguistics)
  • 469 Portuguese
• 470 Latin and Italic languages
  • 470 Latin and related Italic languages
  • 471 Writing systems, phonology, phonetics of classical Latin
  • 472 Etymology of classical Latin
  • 473 Dictionaries of classical Latin
  • 474 Not assigned or no longer used
  • 475 Grammar of classical Latin
  • 476 Not assigned or no longer used
  • 477 Old, postclassical, Vulgar Latin
  • 478 Classical Latin usage (Prescriptive linguistics)
  • 479 Other Italic languages
• 480 Classical and modern Greek languages
  • 480 Classical Greek and related Hellenic languages
  • 481 Writing systems, phonology, phonetics of classical Greek
  • 482 Etymology of classical Greek
  • 483 Dictionaries of classical Greek
  • 484 Not assigned or no longer used
  • 485 Grammar of classical Greek
  • 486 Not assigned or no longer used
  • 487 Preclassical and postclassical Greek
  • 488 Classical Greek usage (Prescriptive linguistics)
  • 489 Other Hellenic languages
• 490 Other languages
  • 490 Other languages
  • 491 East Indo-European and Celtic languages
  • 492 Afro-Asiatic languages
  • 493 Non-Semitic Afro-Asiatic languages
  • 494 Altaic, Uralic, Hyperborean, Dravidian languages, miscellaneous languages of south Asia
  • 495 Languages of East and Southeast Asia
  • 496 African languages
  • 497 North American native languages
  • 498 South American native languages
  • 499 Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages

Class 500 – Science

• 500 Science
  • 500 Natural sciences and mathematics
  • 501 Philosophy and theory
  • 502 Miscellany
  • 503 Dictionaries, encyclopedias, concordances
  • 504 Not assigned or no longer used
  • 505 Serial publications
  • 506 Organizations and management
  • 507 Education, research, related topics
  • 508 Natural history
  • 509 History, geographic treatment, biography
• 510 Mathematics
  • 510 Mathematics
  • 511 General principles of mathematics
  • 512 Algebra
  • 513 Arithmetic
  • 514 Topology
  • 515 Analysis
  • 516 Geometry
  • 517 Not assigned or no longer used
  • 518 Numerical analysis
  • 519 Probabilities and applied mathematics
• 520 Astronomy
  • 520 Astronomy and allied sciences
  • 521 Celestial mechanics
  • 522 Techniques, procedures, apparatus, equipment, materials
  • 523 Specific celestial bodies and phenomena
  • 524 Not assigned or no longer used
  • 525 Earth (Astronomical geography)
  • 526 Mathematical geography
  • 527 Celestial navigation
  • 528 Ephemerides
  • 529 Chronology
• 530 Physics
  • 530 Physics
  • 531 Classical mechanics
  • 532 Fluid mechanics
  • 533 Pneumatics (Gas mechanics)
  • 534 Sound and related vibrations
  • 535 Light and related radiation
  • 536 Heat
  • 537 Electricity and electronics
  • 538 Magnetism
  • 539 Modern physics
• 540 Chemistry
  • 540 Chemistry and allied sciences
  • 541 Physical chemistry
  • 542 Techniques, procedures, apparatus, equipment, materials
  • 543 Analytical chemistry
  • 544 No longer used — formerly "Qualitative analysis"
  • 545 No longer used — formerly "Quantitative analysis"
  • 546 Inorganic chemistry
  • 547 Organic chemistry
  • 548 Crystallography
  • 549 Mineralogy
• 550 Earth sciences and geology
  • 550 Earth sciences
  • 551 Geology, hydrology, meteorology
  • 552 Petrology
  • 553 Economic geology
  • 554 Earth sciences of Europe
  • 555 Earth sciences of Asia
  • 556 Earth sciences of Africa
  • 557 Earth sciences of North America
  • 558 Earth sciences of South America
  • 559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds
• 560 Fossils and prehistoric life
  • 560 Paleontology
  • 561 Paleobotany, fossil microorganisms
  • 562 Fossil invertebrates
  • 563 Miscellaneous fossil marine and seashore invertebrates
  • 564 Fossil Mollusca and Molluscoidea
  • 565 Fossil Arthropoda
  • 566 Fossil Chordata
  • 567 Fossil cold-blooded vertebrates
  • 568 Fossil Aves (birds)
  • 569 Fossil Mammalia
• 570 Biology
  • 570 Biology
  • 571 Physiology and related subjects
  • 572 Biochemistry
  • 573 Specific physiological systems in animals, regional histology and physiology in animals
  • 574 Not assigned or no longer used
  • 575 Specific parts of and physiological systems in plants
  • 576 Genetics and evolution
  • 577 Ecology
  • 578 Natural history of organisms and related subjects
  • 579 Natural history of microorganisms, fungi, algae
• 580 Plants
  • 580 Plants
  • 581 Specific topics in natural history of plants
  • 582 Plants noted for specific vegetative characteristics and flowers
  • 583 Magnoliopsida (Dicotyledones)
  • 584 Liliopsida (Monocotyledones)
  • 585 Pinophyta (Gymnosperms)
  • 586 Cryptogamia (Seedless plants)
  • 587 Pteridophyta
  • 588 Bryophyta
  • 589 No longer used—formerly Forestry
• 590 Animals (Zoology)
  • 590 Animals
  • 591 Specific topics in natural history of animals
  • 592 Invertebrates
  • 593 Miscellaneous marine and seashore invertebrates
  • 594 Mollusca and Molluscoidea
  • 595 Arthropoda
  • 596 Chordata
  • 597 Cold-blooded vertebrates
  • 598 Aves (Birds)
  • 599 Mammalia (Mammals)

Class 600 – Technology

• 600 Technology
  • 600 Technology (Applied sciences)
  • 601 Philosophy and theory
  • 602 Miscellany
  • 603 Dictionaries, encyclopedias, concordances
  • 604 Technical drawing, hazardous materials technology; groups of people
  • 605 Serial publications
  • 606 Organizations
  • 607 Education, research, related topics
  • 608 Patents
  • 609 History, geographic treatment, biography
• 610 Medicine and health
  • 610 Medicine and health
  • 611 Human anatomy, cytology, histology
  • 612 Human physiology
  • 613 Personal health and safety
  • 614 Forensic medicine; incidence of injuries, wounds, disease; public preventive medicine
  • 615 Pharmacology and therapeutics
  • 616 Diseases
  • 617 Surgery, regional medicine, dentistry, ophthalmology, otology, audiology
  • 618 Gynecology, obstetrics, pediatrics, geriatrics
  • 619 No longer used—formerly Experimental medicine
• 620 Engineering
  • 620 Engineering and applied operations
  • 621 Applied physics
  • 622 Mining and related operations
  • 623 Military and nautical engineering
  • 624 Civil engineering
  • 625 Engineering of railroads, roads
  • 626 Not assigned or no longer used
  • 627 Hydraulic engineering
  • 628 Sanitary engineering
  • 629 Other branches of engineering
• 630 Agriculture
  • 630 Agriculture and related technologies
  • 631 Specific techniques; apparatus, equipment, materials
  • 632 Plant injuries, diseases, pests
  • 633 Field and plantation crops
  • 634 Orchards, fruits, forestry
  • 635 Garden crops (Horticulture)
  • 636 Animal husbandry
  • 637 Processing dairy and related products
  • 638 Insect culture
  • 639 Hunting, fishing, conservation, related technologies
• 640 Home and family management
  • 640 Home and family management
  • 641 Food and drink
  • 642 Meals and table service
  • 643 Housing and household equipment
  • 644 Household utilities
  • 645 Household furnishings
  • 646 Sewing, clothing, management of personal and family life
  • 647 Management of public households (Institutional housekeeping)
  • 648 Housekeeping
  • 649 Child rearing; home care of people with disabilities and illnesses
• 650 Management and public relations
  • 650 Management and auxiliary services
  • 651 Office services
  • 652 Processes of written communication
  • 653 Shorthand
  • 654–656 Not assigned or no longer used
  • 657 Accounting
  • 658 General management
  • 659 Advertising and public relations
• 660 Chemical engineering
  • 660 Chemical engineering and related technologies
  • 661 Technology of industrial chemicals
  • 662 Technology of explosives, fuels, related products
  • 663 Beverage technology
  • 664 Food technology
  • 665 Technology of industrial oils, fats, waxes, gases
  • 666 Ceramic and allied technologies
  • 667 Cleaning, color, coating, related technologies
  • 668 Technology of other organic products
  • 669 Metallurgy
• 670 Manufacturing
  • 670 Manufacturing
  • 671 Metalworking processes and primary metal products
  • 672 Iron, steel, other iron alloys
  • 673 Nonferrous metals
  • 674 Lumber processing, wood products, cork
  • 675 Leather and fur processing
  • 676 Pulp and paper technology
  • 677 Textiles
  • 678 Elastomers and elastomer products
  • 679 Other products of specific kinds of materials
• 680 Manufacture for specific uses
  • 680 Manufacture of products for specific uses
  • 681 Precision instruments and other devices
  • 682 Small forge work (Blacksmithing)
  • 683 Hardware and household appliances
  • 684 Furnishings and home workshops
  • 685 Leather and fur goods, and related products
  • 686 Printing and related activities
  • 687 Clothing and accessories
  • 688 Other final products, and packaging technology
  • 689 Not assigned or no longer used
• 690 Construction of buildings
  • 690 Construction of buildings
  • 691 Building materials
  • 692 Auxiliary construction practices
  • 693 Construction in specific types of materials and for specific purposes
  • 694 Wood construction
  • 695 Roof covering
  • 696 Utilities
  • 697 Heating, ventilating, air-conditioning engineering
  • 698 Detail finishing
  • 699 Not assigned or no longer used

Class 700 – Arts and recreation

• 700 Arts
  • 700 The Arts
  • 701 Philosophy and theory of fine and decorative arts
  • 702 Miscellany of fine and decorative arts
  • 703 Dictionaries, encyclopedias, concordances of fine and decorative arts
  • 704 Special topics in fine and decorative arts
  • 705 Serial publications of fine and decorative arts
  • 706 Organizations and management of fine and decorative arts
  • 707 Education, research, related topics of fine and decorative arts
  • 708 Galleries, museums, private collections of fine and decorative arts
  • 709 History, geographic treatment, biography
• 710 Area planning and landscape architecture
  • 710 Area planning and landscape architecture
  • 711 Area planning (Civic art)
  • 712 Landscape architecture (Landscape design)
  • 713 Landscape architecture of trafficways
  • 714 Water features in landscape architecture
  • 715 Woody plants in landscape architecture
  • 716 Herbaceous plants in landscape architecture
  • 717 Structures in landscape architecture
  • 718 Landscape design of cemeteries
  • 719 Natural landscapes
• 720 Architecture
  • 720 Architecture
  • 721 Architectural materials and structural elements
  • 722 Architecture from earliest times to c. 300
  • 723 Architecture from c. 300 to 1399
  • 724 Architecture from 1400
  • 725 Public structures
  • 726 Buildings for religious and related purposes
  • 727 Buildings for educational and research purposes
  • 728 Residential and related buildings
  • 729 Design and decoration of structures and accessories
• 730 Sculpture, ceramics and metalwork
  • 730 Sculpture and related arts
  • 731 Processes, forms, subjects of sculpture
  • 732 Sculpture from earliest times to c. 500, sculpture of non-literate peoples
  • 733 Greek, Etruscan, Roman sculpture
  • 734 Sculpture from ca 500 to 1399
  • 735 Sculpture from 1400
  • 736 Carving and carvings
  • 737 Numismatics and sigillography
  • 738 Ceramic arts
  • 739 Art metalwork
• 740 Graphic arts and decorative arts
  • 740 Graphic arts
  • 741 Drawing and drawings
  • 742 Perspective in drawing
  • 743 Drawing and drawings by subject
  • 744 Communication design and visual design (proposed)
  • 745 Decorative arts
  • 746 Textile arts
  • 747 Interior decoration
  • 748 Glass
  • 749 Furniture and accessories
• 750 Painting
  • 750 Painting and paintings
  • 751 Techniques, procedures, apparatus, equipment, materials, forms
  • 752 Color
  • 753 Symbolism, allegory, mythology, legend
  • 754 Genre paintings
  • 755 Religion
  • 756 Not assigned or no longer used
  • 757 Human figures
  • 758 Nature, architectural subjects and cityscapes, other specific subjects
  • 759 History, geographic treatment, biography
• 760 Printmaking and prints
  • 760 Printmaking and prints
  • 761 Relief processes (Block printing)
  • 762 Not assigned or no longer used
  • 763 Lithographic processes (Planographic processes)
  • 764 Chromolithography and serigraphy
  • 765 Metal engraving
  • 766 Mezzotinting, aquatinting, and related processes
  • 767 Etching and drypoint
  • 768 Not assigned or no longer used
  • 769 Prints
• 770 Photography, computer art, film, video
  • 770 Photography, computer art, cinematography, videography
  • 771 Techniques, procedures, apparatus, equipment, materials
  • 772 Metallic salt processes
  • 773 Pigment processes of printing
  • 774 No longer used—formerly Holography
  • 775 No longer used—formerly Digital photography
  • 776 Computer art (Digital art)
  • 777 Cinematography and Videography
  • 778 Specific fields and special kinds of photography
  • 779 Photographic images
• 780 Music
  • 780 Music
  • 781 General principles and musical forms
  • 782 Vocal music
  • 783 Music for single voices
  • 784 Instruments and Instrumental ensembles and their music
  • 785 Ensembles with only one instrument per part
  • 786 Keyboard, mechanical, electrophonic, percussion instruments
  • 787 Stringed instruments (Chordophones)
  • 788 Wind instruments (Aerophones)
  • 789 Not assigned or no longer used
• 790 Sports, games and entertainment
  • 790 Recreational and performing arts
  • 791 Public performances
  • 792 Stage presentations
  • 793 Indoor games and amusements
  • 794 Indoor games of skill
  • 795 Games of chance
  • 796 Athletic and outdoor sports and games
  • 797 Aquatic and air sports
  • 798 Equestrian sports and animal racing
  • 799 Fishing, hunting, shooting

Class 800 – Literature

• 800 Literature, rhetoric and criticism
  • 800 Literature (Belles-lettres) and rhetoric
  • 801 Philosophy and theory
  • 802 Miscellany
  • 803 Dictionaries, encyclopedias, concordances
  • 804 Not assigned or no longer used
  • 805 Serial publications
  • 806 Organizations and management
  • 807 Education, research, related topics
  • 808 Rhetoric and collections of literary texts from more than two literatures
  • 809 History, description, critical appraisal of more than two literatures
• 810 American literature in English
  • 810 American literature in English
  • 811 American poetry in English
  • 812 American drama in English
  • 813 American fiction in English
  • 814 American essays in English
  • 815 American speeches in English
  • 816 American letters in English
  • 817 American humor and satire in English
  • 818 American miscellaneous writings in English
  • 819 No longer used—formerly Puzzle activities
• 820 English and Old English literatures
  • 820 English and Old English (Anglo-Saxon) literatures
  • 821 English poetry
  • 822 English drama
  • 823 English fiction
  • 824 English essays
  • 825 English speeches
  • 826 English letters
  • 827 English humor and satire
  • 828 English miscellaneous writings
  • 829 Old English (Anglo-Saxon) literature
• 830 German and related literatures
  • 830 German literature and literatures of related languages
  • 831 German poetry
  • 832 German drama
  • 833 German fiction
  • 834 German essays
  • 835 German speeches
  • 836 German letters
  • 837 German humor and satire
  • 838 German miscellaneous writings
  • 839 Other Germanic literatures
• 840 French and related literatures
  • 840 French literature and literatures of related Romance languages
  • 841 French poetry
  • 842 French drama
  • 843 French fiction
  • 844 French essays
  • 845 French speeches
  • 846 French letters
  • 847 French humor and satire
  • 848 French miscellaneous writings
  • 849 Occitan, Catalan, Franco-Provençal literatures
• 850 Italian, Romanian and related literatures
  • 850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages
  • 851 Italian poetry
  • 852 Italian drama
  • 853 Italian fiction
  • 854 Italian essays
  • 855 Italian speeches
  • 856 Italian letters
  • 857 Italian humor and satire
  • 858 Italian miscellaneous writings
  • 859 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages
• 860 Spanish, Portuguese, Galician literatures
  • 860 Literatures of Spanish, Portuguese, Galician languages
  • 861 Spanish poetry
  • 862 Spanish drama
  • 863 Spanish fiction
  • 864 Spanish essays
  • 865 Spanish speeches
  • 866 Spanish letters
  • 867 Spanish humor and satire
  • 868 Spanish miscellaneous writings
  • 869 Literatures of Portuguese and Galician languages
• 870 Latin and Italic literatures
  • 870 Latin literature and literatures of related Italic languages
  • 871 Latin poetry
  • 872 Latin dramatic poetry and drama
  • 873 Latin epic poetry and fiction
  • 874 Latin lyric poetry
  • 875 Latin speeches
  • 876 Latin letters
  • 877 Latin humor and satire
  • 878 Latin miscellaneous writings
  • 879 Literatures of other Italic languages
• 880 Classical and modern Greek literatures
  • 880 Classical Greek literature and literatures of related Hellenic languages
  • 881 Classical Greek poetry
  • 882 Classical Greek drama
  • 883 Classical Greek epic poetry and fiction
  • 884 Classical Greek lyric poetry
  • 885 Classical Greek speeches
  • 886 Classical Greek letters
  • 887 Classical Greek humor and satire
  • 888 Classical Greek miscellaneous writings
  • 889 Modern Greek literature
• 890 Other literatures
  • 890 Literatures of other specific languages and language families
  • 891 East Indo-European and Celtic literatures
  • 892 Afro-Asiatic literatures
  • 893 Non-Semitic Afro-Asiatic literatures
  • 894 Literatures of Altaic, Uralic, Hyperborean, Dravidian languages; literatures of miscellaneous languages of South Asia
  • 895 Literatures of East and Southeast Asia
  • 896 African literatures
  • 897 Literatures of North American native languages
  • 898 Literatures of South American native languages
  • 899 Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages

Class 900 – History and geography

• 900 History
  • 900 History, geography, and auxiliary disciplines
  • 901 Philosophy and theory of history
  • 902 Miscellany of history
  • 903 Dictionaries, encyclopedias, concordances of history
  • 904 Collected accounts of events
  • 905 Serial publications of history
  • 906 Organizations and management of history
  • 907 Education, research, related topics of history
  • 908 History with respect to groups of people
  • 909 World history
• 910 Geography and travel
  • 910 Geography and travel
  • 911 Historical geography
  • 912 Graphic representations of surface of Earth and of extraterrestrial worlds
  • 913 Geography of and travel in the ancient world
  • 914 Geography of and travel in Europe
  • 915 Geography of and travel in Asia
  • 916 Geography of and travel in Africa
  • 917 Geography of and travel in North America
  • 918 Geography of and travel in South America
  • 919 Geography of and travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, and on extraterrestrial worlds
• 920 Biography and genealogy
  • 920 Biography, genealogy, insignia
  • 921–928 This range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name.
  • 929 Genealogy, names, insignia
• 930 History of ancient world (to c. 499)
  • 930 History of ancient world to c. 499
  • 931 China to 420
  • 932 Egypt to 640
  • 933 Palestine to 70
  • 934 South Asia to 647
  • 935 Mesopotamia and Iranian Plateau to 637
  • 936 Europe north and west of Italian Peninsula to c. 499
  • 937 Italy and adjacent territories to 476
  • 938 Greece to 323
  • 939 Other parts of ancient world
• 940 History of Europe
  • 940 History of Europe
  • 941 British Isles
  • 942 England and Wales
  • 943 Germany and neighboring central European countries
  • 944 France and Monaco
  • 945 Italy, San Marino, Vatican City, Malta
  • 946 Spain, Andorra, Gibraltar, Portugal
  • 947 Russia and neighboring east European countries
  • 948 Scandinavia
  • 949 Other parts of Europe
• 950 History of Asia
  • 950 History of Asia
  • 951 China and adjacent areas
  • 952 Japan
  • 953 Arabian Peninsula and adjacent areas
  • 954 India and neighboring south Asian countries
  • 955 Iran
  • 956 Middle East (Near East)
  • 957 Siberia (Asiatic Russia)
  • 958 Central Asia
  • 959 Southeast Asia
• 960 History of Africa
  • 960 History of Africa
  • 961 Tunisia and Libya
  • 962 Egypt, Sudan, South Sudan
  • 963 Ethiopia and Eritrea
  • 964 Morocco, Ceuta, Melilla Western Sahara, Canary Islands
  • 965 Algeria
  • 966 West Africa and offshore islands
  • 967 Central Africa and offshore islands
  • 968 South Africa & southern Africa
  • 969 South Indian Ocean islands
• 970 History of North America
  • 970 History of North America
  • 971 Canada
  • 972 Mexico, Central America, West Indies, Bermuda
  • 973 United States
  • 974 Northeastern United States (New England and Middle Atlantic states)
  • 975 Southeastern United States (South Atlantic states)
  • 976 South central United States
  • 977 North central United States
  • 978 Western United States
  • 979 Great Basin and Pacific Slope region of United States
• 980 History of South America
  • 980 History of South America
  • 981 Brazil
  • 982 Argentina
  • 983 Chile
  • 984 Bolivia
  • 985 Peru
  • 986 Colombia and Ecuador
  • 987 Venezuela
  • 988 Guiana
  • 989 Paraguay and Uruguay
• 990 History of other areas
  • 990 History of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds
  • 991–992 Not assigned or no longer used
  • 993 New Zealand
  • 994 Australia
  • 995 New Guinea and neighboring countries of Melanesia
  • 996 Polynesia and other Pacific Ocean islands
  • 997 Atlantic Ocean islands
  • 998 Arctic islands and Antarctica
  • 999 Extraterrestrial worlds

See also

• Library of Congress Classification
• Comparison of Dewey and Library of Congress subject classification
• OCLC
• WorldCat

References

1. DDC Frequently Asked Questions
2. Introduction to the Dewey Decimal Classification (23rd edition)
3. Summary lists of Dewey Decimal Classification, 23rd edition (2011)
4. "000 Computer science, information, general works" (PDF). OCLC. Retrieved 2022-01-08.
5. "EPC 143-S74.1 Graphic design and communication design". OCLC. Retrieved 2023-01-29.

External links

• Dewey Services, OCLC
• Summary lists of Dewey Decimal Classification, 23rd edition (2011)

• A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library, 1st edition (1876) at Project Gutenberg

Category:

• Dewey Decimal Classification