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Weinberg, B.H.: ¬The hidden classification in Library of Congress Subject Headings for Judaica (1993)
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Dreyfuss, R.: Library of Congress Classification for Judaica : recent changes (1990-1991) (1991/92)
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Klister, K.: Multimedia encyclopedias take off (1995)
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Burg, B.; Kautzman, A.M.: Virtual knowledge : the best buys in 1998 CD-ROM encyclopedias (1998)
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Carlton, T.: I want an electronic bookstore! (1993)
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