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Haykin, D.J.: Subject headings: a practical guide (1951)
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Haykin, D.J.: Way to the future : cooperative and centralized cataloging (1941)
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Haykin, D.J.: Book classification and the problem of change (1955)
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Haykin, D.J.: Subject headings : fundamental concepts (1985)
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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.