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Richmond, P.A.: Precedent-setting contributions to modern classification (1988)
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Richmond, P.A.: Introduction to PRECIS for North American usage (1981)
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Richmond, P.A.: Classification from PRECIS : some possibilities (1976)
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Richmond, P.A.: ¬The future of classification (1974)
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Weinberg, B.H.: Library classification and information retrieval thesauri : comparison and contrasts (1995)
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Meikle, D.: Syndetic structure and OPACs : a literature review (1995)
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