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^ Inc, Nielsen Business Media (April 5, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (June 21, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (May 31, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (July 5, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (July 12, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (May 24, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (June 14, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (June 7, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (June 28, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)
Inc, Nielsen Business Media (April 5, 1952). "Billboard". Nielsen Business Media, Inc. – via Google Books. {{cite web}}: |last= has generic name (help)