List of Dewey Decimal classes: Difference between revisions

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	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 sections 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 & general works ==		== Class 000 – Computer science, information & general works ==

Revision as of 19:50, 17 February 2021

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Class 000 – Computer science, information & general works

000 Computer science, knowledge & systems
- 000 Computer science, information & general works
- 001 Knowledge
- 002 The book (writing, libraries, and book-related topics)
- 003 Systems
- 004 Data processing & computer science
- 005 Computer programming, programs & data
- 006 Special computer methods
- 007–009
010 Bibliographies
- 010 Bibliography
- 011 Bibliographies
- 012 Bibliographies of individuals
- 013
- 014 Bibliographies of anonymous & 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 & information sciences
- 020 Library & 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 & use of other information media
- 029
030 Encyclopedias & 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 & Portuguese
- 037 Encyclopedias in Slavic languages
- 038 Encyclopedias in Scandinavian languages
- 039 Encyclopedias in other languages
040 Unassigned (formerly Biographies)
050 Magazines, journals & 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 & Portuguese
- 057 Serials in Slavic languages
- 058 Serials in Scandinavian languages
- 059 Serials in other languages
060 Associations, organizations & museums
- 060 General organizations & 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 & Monaco
- 065 Organizations in Italy & adjacent islands
- 066 Organizations in Iberian peninsula & adjacent islands
- 067 Organizations in eastern Europe; in Russia
- 068 Organizations in other geographic areas
- 069 Museum science
070 News media, journalism & 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 & Monaco
- 075 Newspapers in Italy & adjacent islands
- 076 Newspapers in Iberian peninsula & 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, & related languages
- 086 Collections in Spanish & Portuguese
- 087 Collections in Slavic languages
- 088 Collections in Scandinavian languages
- 089 Collections in other languages
090 Manuscripts & 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 & psychology

100 Philosophy
- 100 Philosophy & psychology
- 101 Theory of philosophy
- 102 Miscellany
- 103 Dictionaries & encyclopedias
- 104
- 105 Serial publications
- 106 Organizations & management
- 107 Education, research, related topics of philosophy
- 108 Groups of people
- 109 History & 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 & the subconscious
- 128 Humankind
- 129 Origin & destiny of individual souls
130 Parapsychology & occultism
- 130 Parapsychology & occultism
- 131 Parapsychological and occult methods for achieving well-being, happiness, success
- 132 No longer used—formerly Mental derangements
- 133 Specific topics in parapsychology & occultism
- 134 No longer used—formerly Mesmerism & Clairvoyance
- 135 Dreams & 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 & related systems & doctrines
- 142 Critical philosophy
- 143 Bergsonism & intuitionism
- 144 Humanism & related systems & doctrines
- 145 Sensationalism
- 146 Naturalism & related systems & doctrines
- 147 Pantheism & related systems & doctrines
- 148 Dogmatism, eclecticism, liberalism, syncretism, & traditionalism
- 149 Other philosophical systems & doctrines
150 Psychology
- 150 Psychology
- 151 No longer used—formerly Intellect
- 152 Sensory perception, movement, emotions, & physiological drives
- 153 Conscious mental processes & intelligence
- 154 Subconscious & altered states & processes
- 155 Differential & 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 & sources of error
- 166 Syllogisms
- 167 Hypotheses
- 168 Argument & 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 & reproduction
- 177 Ethics of social relations
- 178 Ethics of consumption
- 179 Other ethical norms
180 Ancient, medieval, & 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 & Neoplatonic philosophies
- 187 Epicurean philosophy
- 188 Stoic philosophy
- 189 Medieval Western philosophy
190 Modern Western philosophy (19th-century, 20th-century)
- 190 Modern Western & 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 & 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 & theory of religion
- 210 Philosophy & theory of religion
- 211 Concepts of God
- 212 Existence, ways of knowing God, attributes of God
- 213 Creation
- 214 Theodicy
- 215 Science & 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 & Acts
- 227 Epistles
- 228 Revelation (Apocalypse)
- 229 Apocrypha, pseudepigrapha, & intertestamental works
230 Christianity
- 230 Christianity
- 231 God
- 232 Jesus Christ & his family
- 233 Humankind
- 234 Salvation & grace
- 235 Spiritual beings
- 236 Eschatology
- 237 No longer used—formerly Future state
- 238 Creeds, confessions of faith, covenants, & catechisms
- 239 Apologetics & polemics
240 Christian practice & 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 & related articles
- 248 Christian experience, practice, life
- 249 Christian observances in family life
250 Christian orders & 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 & 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 & 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 & 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 & Eastern churches
- 282 Roman Catholic Church
- 283 Anglican churches
- 284 Protestant denominations of Continental origin & related body
- 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 & sects
290 Other religions
- 290 Other religions
- 291 No longer used—formerly Comparative religion
- 292 Classical religion (Greek & Roman religion)
- 293 Germanic religion
- 294 Religions of Indic origin
- 295 Zoroastrianism (Mazdaism, Parseeism)
- 296 Judaism
- 297 Islam, Bábism & Baháʼí Faith
- 298 No longer used—formerly Mormonism
- 299 Religions not provided for elsewhere

Class 300 – Social sciences

300 Social sciences, sociology & anthropology
- 300 Social sciences
- 301 Sociology & anthropology
- 302 Social interaction
- 303 Social processes
- 304 Factors affecting social behavior
- 305 Groups of people
- 306 Culture & 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 & government)
- 321 Systems of governments & states
- 322 Relation of state to organized groups & their members
- 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
- 330 Economics
- 331 Labor economics
- 332 Financial economics
- 333 Economics of land & energy
- 334 Cooperatives
- 335 Socialism & related systems
- 336 Public finance
- 337 International economics
- 338 Production
- 339 Macroeconomics & related topics
340 Law
- 340 Law
- 341 Law of nations
- 342 Constitutional & 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 & courts
- 348 Laws, regulations, cases
- 349 Law of specific jurisdictions, areas, socioeconomic regions, regional intergovernmental organizations
350 Public administration & military science
- 350 Public administration & military science
- 351 Public administration
- 352 General considerations of public administration
- 353 Specific fields of public administration
- 354 Public administration of economy & environment
- 355 Military science
- 356 Foot forces & warfare
- 357 Mounted forces & warfare
- 358 Air & other specialized forces & warfare; engineering & related services
- 359 Sea forces & warfare
360 Social problems & social services
- 360 Social problems & services; associations
- 361 Social problems & services
- 362 Social problems of & services to groups of people
- 363 Other social problems & services
- 364 Criminology
- 365 Penal & related institutions
- 366 Secret associations & societies
- 367 General clubs
- 368 Insurance
- 369 Associations
370 Education
- 370 Education
- 371 Schools & their activities; special education
- 372 Primary education (elementary education)
- 373 Secondary education
- 374 Adult education
- 375 Curricula
- 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 & transportation
- 380 Commerce, communications transportation
- 381 Commerce (Trade)
- 382 International commerce (Foreign trade)
- 383 Postal communication
- 384 Communications
- 385 Railroad transportation
- 386 Inland waterway & ferry transportation
- 387 Water, air, space transportation
- 388 Transportation
- 389 Metrology & standardization
390 Customs, etiquette & folklore
- 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 No longer used—formerly Women's position and treatment
- 397 No longer used—formerly outcast studies
- 398 Folklore
- 399 Customs of war & diplomacy

Class 400 – Language

400 Language
- 400 Language
- 401 Philosophy & theory; international languages
- 402 Miscellany
- 403 Dictionaries, encyclopedias, concordances
- 404 Special topics of language
- 405 Serial publications
- 406 Organizations & management
- 407 Education, research, related topics
- 408 Groups of people
- 409 Geographic treatment & 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 & phonetics of standard forms of languages
- 415 Grammar of standard forms of languages
- 416 No longer used—formerly Prosody
- 417 Dialectology & historical linguistics
- 418 Standard usage (Prescriptive linguistics)
- 419 Sign languages
420 English & Old English languages
- 420 English & 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 & geographical variations, modern nongeographic variations of English
- 428 Standard English usage (Prescriptive linguistics)
- 429 Old English (Anglo-Saxon)
430 German & 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 & geographic variations, modern nongeographic variations of German
- 438 Standard German usage (Prescriptive linguistics)
- 439 Other Germanic languages
440 French & related languages
- 440 French & 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 & 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 & 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 & geographic variations, modern nongeographic variations of Spanish
- 468 Standard Spanish usage (Prescriptive linguistics)
- 469 Portuguese
470 Latin & Italic languages
- 470 Latin & 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 & modern Greek languages
- 480 Classical Greek & 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 & postclassical Greek
- 488 Classical Greek usage (Prescriptive linguistics)
- 489 Other Hellenic languages
490 Other languages
- 490 Other languages
- 491 East Indo-European & Celtic languages
- 492 Afro-Asiatic languages
- 493 Non-Semitic Afro-Asiatic languages
- 494 Altic, Uralic, Hyperborean, Dravidian languages, miscellaneous languages of south Asia
- 495 Languages of East & 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 & mathematics
- 501 Philosophy & theory
- 502 Miscellany
- 503 Dictionaries, encyclopedias, concordances
- 504 Not assigned or no longer used
- 505 Serial publications
- 506 Organizations & 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 & applied mathematics
520 Astronomy
- 520 Astronomy & allied sciences
- 521 Celestial mechanics
- 522 Techniques, procedures, apparatus, 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
- 530 Physics
- 531 Classical mechanics
- 532 Fluid mechanics
- 533 Pneumatics (Gas mechanics)
- 534 Sound & related vibrations
- 535 Light & related radiation
- 536 Heat
- 537 Electricity & electronics
- 538 Magnetism
- 539 Modern physics
540 Chemistry
- 540 Chemistry & 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 & 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 & prehistoric life
- 560 Paleontology
- 561 Paleobotany; fossil microorganisms
- 562 Fossil invertebrates
- 563 Miscellaneous fossil marine & seashore invertebrates
- 564 Fossil Mollusca & 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 & related subjects
- 572 Biochemistry
- 573 Specific physiological systems in animals, regional histology & physiology in animals
- 574 Not assigned or no longer used
- 575 Specific parts of & physiological systems in plants
- 576 Genetics and evolution
- 577 Ecology
- 578 Natural history of organisms & 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 & seashore invertebrates
- 594 Mollusca & 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 & 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 & health
- 610 Medicine & health
- 611 Human anatomy, cytology, histology
- 612 Human physiology
- 613 Personal health & 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 & Applied 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 engineering
- 629 Other branches of engineering
630 Agriculture
- 630 Agriculture & related technologies
- 631 Specific techniques; apparatus, 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, related technologies
640 Home & family management
- 640 Home & family management
- 641 Food & drink
- 642 Meals & table service
- 643 Housing & 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 & illnesses
650 Management & public relations
- 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
- 660 Chemical engineering & 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 & allied technologies
- 667 Cleaning, color, coating, related technologies
- 668 Technology of other organic products
- 669 Metallurgy
670 Manufacturing
- 670 Manufacturing
- 671 Metalworking processes & primary 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 kinds of materials
680 Manufacture for specific uses
- 680 Manufacture of products for specific uses
- 681 Precision instruments & other devices
- 682 Small forge work (Blacksmithing)
- 683 Hardware & household appliances
- 684 Furnishings & home workshops
- 685 Leather & fur goods, & related products
- 686 Printing & related activities
- 687 Clothing & accessories
- 688 Other final products, & 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 & 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 & recreation

700 Arts
- 700 The Arts
- 701 Philosophy & theory of fine & decorative arts
- 702 Miscellany of fine & decorative arts
- 703 Dictionaries, encyclopedias, concordances of fine & decorative arts
- 704 Special topics in fine & decorative arts
- 705 Serial publications of fine & decorative arts
- 706 Organizations & management of fine & decorative arts
- 707 Education, research, related topics of fine & decorative arts
- 708 Galleries, museums, private collections of fine & decorative arts
- 709 History, geographic treatment, biography
710 Area planning & landscape architecture
- 710 Area planning & 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 & structural elements
- 722 Architecture from earliest times to ca. 300
- 723 Architecture from ca. 300 to 1399
- 724 Architecture from 1400
- 725 Public structures
- 726 Buildings for religious & related purposes
- 727 Buildings for educational & research purposes
- 728 Residential & related buildings
- 729 Design & decoration of structures & accessories
730 Sculpture, ceramics & metalwork
- 730 Sculpture & related arts
- 731 Processes, forms, subjects of sculpture
- 732 Sculpture from earliest times to ca. 500, sculpture of non-literate peoples
- 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 Graphic arts & decorative arts
- 740 Graphic arts
- 741 Drawing & drawings
- 742 Perspective in drawing
- 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
- 750 Painting & 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 & cityscapes, other specific subjects
- 759 History, geographic treatment, biography
760 Printmaking & prints
- 760 Printmaking & prints
- 761 Relief processes (Block printing)
- 762 Not assigned or no longer used
- 763 Lithographic processes (Planographic processes)
- 764 Chromolithography & serigraphy
- 765 Metal engraving
- 766 Mezzotinting, aquatinting, & related processes
- 767 Etching & 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 & Videography
- 778 Specific fields & special kinds of photography
- 779 Photographic images
780 Music
- 780 Music
- 781 General principles & musical forms
- 782 Vocal music
- 783 Music for single voices
- 784 Instruments & Instrumental ensembles & 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 Unassigned or no longer used
790 Outline of sports, games & entertainment
- 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

Class 800 – Literature

800 Literature, rhetoric & criticism
- 800 Literature (Belles-lettres) & rhetoric
- 801 Philosophy & theory
- 802 Miscellany
- 803 Dictionaries, encyclopedias, concordances
- 804 Not assigned or no longer used
- 805 Serial publications
- 806 Organizations & management
- 807 Education, research, related topics
- 808 Rhetoric & 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 & satire in English
- 818 American miscellaneous writings in English
- 819 No longer used—formerly Puzzle activities
820 English & Old English literatures
- 820 English & Old English (Anglo-Saxon) literatures
- 821 English Poetry
- 822 English drama
  - 822.33 William Shakespeare
- 823 English fiction
- 824 English essays
- 825 English speeches
- 826 English letters
- 827 English humor & satire
- 828 English miscellaneous writings
- 829 Old English (Anglo-Saxon) literature
830 German & related literatures
- 830 German literature & 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 & satire
- 838 German miscellaneous writings
- 839 Other Germanic literatures
840 French & related literatures
- 840 French literature & 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 & satire
- 848 French miscellaneous writings
- 849 Occitan, Catalan, Franco-Provençal literatures
850 Italian, Romanian & 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 & 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 & satire
- 868 Spanish miscellaneous writings
- 869 Literatures of Portuguese & Galician languages
870 Latin & Italic literatures
- 870 Latin literature & literatures of related Italic languages
- 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 humor & satire
- 878 Latin miscellaneous writings
- 879 Literatures of other Italic languages
880 Classical & modern Greek literatures
- 880 Classical Greek literature & literatures of related Hellenic languages
- 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 humor & 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 & 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 & 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 & geography

900 History
- 900 History, geography, & auxiliary disciplines
- 901 Philosophy & 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 & management of history
- 907 Education, research, related topics of history
- 908 History with respect to groups of people
- 909 World history
910 Geography & travel
- 910 Geography & travel
- 911 Historical geography
- 912 Graphic representations of surface of earth and of extraterrestrial worlds
- 913 Geography of & travel in ancient world
- 914 Geography of & travel in Europe
- 915 Geography of & travel in Asia
- 916 Geography of & travel in Africa
- 917 Geography of & travel in North America
- 918 Geography of & travel in South America
- 919 Geography of & travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, & on extraterrestrial worlds
920 Biography & 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 ca. 499)
- 930 History of ancient world to ca. 499
- 931 China to 420
- 932 Egypt to 640
- 933 Palestine to 70
- 934 South Asia to 647
- 935 Mesopotamia to 637 & Iranian Plateau to 637
- 936 Europe north & west of Italian Peninsula to ca. 499
- 937 Italian Peninsula to 476 & 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 & Wales
- 943 Germany & neighboring central European countries
- 944 France & Monaco
- 945 Italy, San Marino, Vatican City, Malta
- 946 Spain, Andorra, Gibraltar, Portugal
- 947 Russia & neighboring east European countries
- 948 Scandinavia
- 949 Other parts of Europe
950 History of Asia
- 950 History of Asia
- 951 China & adjacent areas
- 952 Japan
- 953 Arabian Peninsula & adjacent areas
- 954 India & 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 & Libya
- 962 Egypt, Sudan, South Sudan
- 963 Ethiopia & Eritrea
- 964 Morocco, Ceuta, Melilla Western Sahara, Canary Islands
- 965 Algeria
- 966 West Africa & offshore islands
- 967 Central Africa & offshore islands
- 968 Republic of South Africa & neighboring southern African countries
- 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 & 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 & 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 & Ecuador
- 987 Venezuela
- 988 Guiana
- 989 Paraguay & 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 & neighboring countries of Melanesia
- 996 Polynesia & other Pacific Ocean islands
- 997 Atlantic Ocean islands
- 998 Arctic islands & Antarctica
- 999 Extraterrestrial worlds