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Hutchins, M.: Introduction to reference work (1944) 0.02

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Mann, M.: Introduction to cataloging and the classification of books (1943) 0.02

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Bliss, H.E.: ¬A bibliographic classification (1940-53) 0.02

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Gunzenhäuser, M.: Grundsätzliches zur Gruppenaufstellung (1949) 0.02

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Zipf, G.K.: Human behavior and the principle of least effort (1949) 0.02

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Broadfield, A.: ¬The philosophy of classification (1946) 0.01

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Pettee, J.: Subject headings: the history and theory of the alphabetical subject approach to books (1946) 0.01

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Cunningham, E.R.: Classification for medical literature (1946) 0.01

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Vorstius, J.: Ergebnisse und Fortschritte der Bibliographie in Deutschland seit dem ersten Weltkrieg (1948) 0.01

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Savage, E.A.: Manual of book classification and display (1947) 0.01

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Taube, M.: ¬The planning and the preparation of the Technical Information Pilot and its cumulative index (1948) 0.01

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Shannon, C.E.; Weaver, W.: ¬The mathematical theory of communication (1949) 0.01

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Vorstius, J.: ¬Die Sachkatalogisierung in den wissenschaftlichen Allgemeinbibliotheken Deutschlands (1948) 0.01

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Fuchs, W.: Zur Theorie und Praxis des Realkatalogs : Untersuchungen über wissenschaftliche Bibliotheksordnung. Zugleich ein Beitrag zur Theorie des Sach- und Fachbibliographie. Bd.1-2. Ergbd.: Optimale Klassifikation und Notation. Grundgedanken und geschichtliche Materialien (1941-58) 0.01

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Harnack, A. von: ¬Die Auskunftserteilung als bibliothekarische Aufgabe (1940) 0.01

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Source: Zentralblatt für Bibliothekswesen. 57(1940), S.16-22

Angermann, R.: Grundzüge einer Theorie des systematischen Sachkataloges für Volksbüchereien (1949-50) 0.00

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Sveistrup, H.: ¬Der neue Realkatalog der SUB Hamburg (1947) 0.00

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Source: Probleme des Wiederaufbaus im wissenschaftlichen Bibliothekswesen: aus d. Verhandlungen des 1. Bibliothekartagung der britischen Zone in Hamburg vom 22.-24.10.1946

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