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Brown, J.D.; Stewart, J.D.: Subject classification (1939)
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Coates, E.J.: Classification in information retrieval : the twenty years following Dorking (1978)
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Dahlberg, I.: Major developments in classification (1977)
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Sweeney, R.: ¬The development of the Dewey Decimal Classification (1983)
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Lehnus, D.J.: Book numbers : history, principles and applications (1980)
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Comaroni, J.P.: ¬The eighteen editions of the Dewey Decimal Classification (1976)
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Whitrow, M.: ¬An eighteenth-century faceted classification scheme (1983)
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Friis-Hansen, J.B.: What Dewey knew (1976)
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Sukiasyan, E.: ¬The ideas of S.R. Ranganathan in Russia : Results and tendencies (1992)
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Schulte-Albert, H.G.: Gottfried Wilhelm Leibniz and library classification (1971)
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Kyle, B.: ¬The Universal Decimal Classification : a study of the present position and future developments (1961)
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Ranganathan, S.R.: Library classification on the march (1961)
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Miksa, F.L.: ¬The development of classification at the Library of Congress (1984)
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Maltby, A.: Sayers' manual of classification for librarians (1978)
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Hunter, E.J.: ¬The United Kingdom contribution to subject cataloguing and classification since 1945 (1987)
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Tabb, W.: ¬The Library of Congress and the DDC (2001)
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Lawson, D.: You've come a long way, Dewey! (2001)
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Sa'ari, C.Z.: Classification of sciences : a comparative study of Ihya'ulum al-din and al=Risalah al-laduniyyah (1999)
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Bhattacharyya, G.; Ranganathan, S.R.: From knowledge classification to library classification (1978)
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Mölgaard-Hansen, R.: From knowledge classification to library classification (1978)
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