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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) 0.02

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Footnote: Rez. in: ZfB 61(1947) S.252-261 (J. Vorstius); ZfBB 6(1959) S.253-256 (D. Rasmussen); ZfB 60(1943) S.88-90 (G. Leyh)

Focke, R.: Allgemeine Theorie der Klassifikation und kurzer Entwurf einer Instruktion für den Realkatalog (1905) 0.02

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Source: Festschrift zur Begrüßung der 6. Versammlung Deutscher Bibliothekare in Posen

Focke, R.: Grundlegung zu einer Theorie des systematischen Kataloges (1900) 0.01

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Source: Beiträge zur Kenntnis des Schrift-, Buch- und Bibliothekswesens

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