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Herrick, M.D.: ¬The development of a classified catalog in library schools (1953)
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- College and research libraries. 14(1953) no.4, S.418-424
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Anker, J.: Some principles of a systematically arranged subject catalogue with an index (1956)
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- Source
- Libri. 7(1956-58) no.1, S.55-70