Ball, Miriam Ogden
Subject headings for the information file
Wilson, 1956
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Sears, Minnie Earl
Sears list of subject headings
H. W. Wilson Co, 1977
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Libraries of Congress Subject headings
Washington: LCSH, 1994,
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Sears list of subject headings
edited by Joseph Miller
H.W. Wilson Company, 1997
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Sears list of subject headings
edited by Barbara M. Westby
H.W. Wilson, 1982
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