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Totok, W.: Zur Anfertigung von Fachbibliographien (1956)
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MacBride, J.H.: ¬A subject approach to United Nations Documents (1954)
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Grunwald, W.: ¬Die naturwissenschaftliche und technische Fachbibliographie (1955)
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David, C.W.: ¬The reproduction of the National Union Catalog (1954)
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Spalding, C.S.: Library of Congress Book Catalogs : proposed expansion into current author and subject catalogs of american library resources (1954)
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