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Haykin, D.J.: Subject headings: a practical guide (1951) 0.11

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Haykin, D.J.: Way to the future : cooperative and centralized cataloging (1941) 0.09

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Haykin, D.J.: Book classification and the problem of change (1955) 0.09

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Haykin, D.J.: Subject headings : fundamental concepts (1985) 0.03

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Footnote: Original in: Haykin, D.J.: Subject headings: a practical guide. Washington, DC U.S. Government Printing Office 1951. S.7-11.

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