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Hoffmann, G.: Hebrew subject headings : development and implementation at Bar-Ilan University (1991/92)
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Dailey, J.E.: Subject headings (1980)
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Weinberg, B.H.: ¬The hidden classification in Library of Congress Subject Headings for Judaica (1993)
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Gerhard, K.H.; Su, M.C.; Rubens, C.C.: ¬An empirical examination of subject headings for women's studies core materials (1998)
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Mischo, W.H.: Library of Congress Subject Headings : a review of the problems, and prospects for improved subject access (1981)
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