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Immroth, J.P.: Analysis of vocabulary control in Library of Congress Classification and Subject Headings (1971)
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Immroth, J.P.: Library of Congress Classification (1976)
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- Source
- Classification in the 1970s: a second look. Rev. ed. Ed.: A. Maltby
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Wynar, B.S.; Immroth, J.P.: Introduction to cataloguing and classification (1976)
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Immroth, J.P.: ¬A guide to the Library of Congress Classification (1971)
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