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Kumar, K.: Historical roots of Ranganathan's Colon Classification (Edition 1) (1992)
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Rayward, W.B.: ¬The origins of information science and the International Institute of Bibliography / International Federation for Information and Documentation (FID) (1997)
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- International forum on information and documentation. 22(1997) no.2, S.3-15
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Satija, M.P.: Ranganathan and classification (1992)
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Wiegand, W.A.: ¬The "¬Amherst method" : the origins of the Dewey Decimal Classification Scheme (1998)
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