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VanOot, J.G.: Links and roles in coordinate indexing and searching : an economy study of their use and an evaluation of their effect on relevance and recall (1964)
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Palmer, B.I.: Itself an education : six lectures on classification (1962)
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Ranganathan, S.R.: ¬The Colon Classification (1965)
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Vickery, B.C.: Faceted classification schemes (1966)
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Guide to use of Dewey Decimal Classification : based on the practice of the Dewey Classification Office at the Library of Congress (1962)
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Hirschberger, E.: Geographischer Katalog und Geographischer Schlüssel des Systematischen Kataloges der Bayerischen Staatsbibliothek (1964)
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Merrill, W.S.: Code for classifiers : principles governing the consistent placing of books in a system of classification (1969)
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Stevens, N.D.: ¬A comparative study of three systems of information retrieval (1961)
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Jonker, F.: Indexing theory, indexing methods, and search devices (1964)
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Foskett, D.J.: Classification and indexing in the social sciences (1963)
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Srivastava, A.P.: Theory of knowledge classification in libraries (1964)
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Bertalanffy, L. von: General system theory : foundations, development, applications (1969)
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Juntke, F.: ¬Die Katalogreform der ULB zu Halle an der Saale durch Otto Hartwig (1967)
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Wittenberg, A.I.: Vom Denken in Begriffen : Mathematik als Experiment des reinen Denkens (1968)
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Leser sind auch Menschen oder Traktat von der idealen Bibliothekarin (1962)
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¬Die Klassifikation der Wissenschaften als philosophisches Problem (1968)
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Kirpiceva, I.K.: Handbuch der russischen und sowjetischen Bibliographien : die Allgemeinbibliographien, Fachbibliographien und Nachschlagewerke Russlands und der Sowjetunion (1962)
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LaMontagne, L.E.: American library classification : with special reference to the Library of Congress (1961)
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Rider, A.F.: Rider's International Classification for the arrangement of books on the shelves of general libraries (1961)
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