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Harnack, A. von: ¬Die Auskunftserteilung als bibliothekarische Aufgabe (1940)
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Sveistrup, H.: ¬Der neue Realkatalog der SUB Hamburg (1947)
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Shannon, C.E.: ¬A mathematical theory of communication : pt.1.2 (1948)
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Weaver, W.: ¬The mathematics of communication (1949)
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Taube, M.: ¬The planning and the preparation of the Technical Information Pilot and its cumulative index (1948)
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Osborn, A.: ¬The crisis in cataloging (1941)
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Boisen, H. L.: ¬A venture in reclassification (1944)
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Ireland, N. O.: Cooperative Indexing : a postwar program today (1944)
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Price, M.O.: ¬The need for a subject classification to facilitate research in foreign law (1941)
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Harnack, A. von: ¬Die Benutzung des Realkataloges des Staatsbibliothek Berlin (1942)
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Leppla, R.: Nationale oder internationale Klassifikationssysteme (1949)
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Bliss, H.E.: ¬A bibliographic classification (1940-53)
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Gunzenhäuser, M.: Grundsätzliches zur Gruppenaufstellung (1949)
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Bertalanffy, L. von: Zu einer allgemeinen Systemlehre (1949)
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Hofmann, W.: Zur Frage internationaler Klassifikationssysteme (1947)
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Lund, J.J.: ¬The cataloging process in the university library : a proposal for reorganization (1942)
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Ruffin, B.: Toward a sound national program in cataloging (1949)
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Shannon, C.E.; Weaver, W.: ¬The mathematical theory of communication (1949)
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Langfeldt, J.: Systematik und Index des Realkatalogs der Stadtbücherei Bochum (1949)
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Vorstius, J.: Zur Theorie und Praxis des Realkatalogs (1947)
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