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Anderson, M.D.: Book indexing (1971)
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Sokal, R.R.: Classification: purposes, principles, progress, prospects (1974)
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Langridge, D.W.: Approach to classification for students of librarianship (1973)
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Rowley, J.E.; Turner, C.M.D.: ¬The dissemination of information (1978)
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Brown, A.G.; Langridge, D.W.; Mills, J.: Introduction to subject indexing : a programmed text (1976)
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Pollitt, A.S.: Information storage and retrieval systems : origin, development and applications (1979)
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Subject retrieval in the seventies: methods, problems, prospects (1972)
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Indexers on indexing : a selection of articles published in "The Indexer" (1978)
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Classification in the 1970s. A second look (1976)
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Buchanan, B.: Theory of library classification (1979)
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Subject retrieval in the seventies: new directions : Proc. of an Int. Symp. ... College Park, 14.-15.5.1971 (1972)
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Rijsbergen, C.J. van: Information retrieval (1979)
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Reader in classification and descriptive cataloging (1972)
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