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Meyer, A.: Systematischer und Schlagwortkatalog : Probleme des Realkatalogs, 3 (1923) 0.04

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Source: Zentralblatt für Bibliothekswesen. 40(1923), S.208-213

Meyer, A.: Zeitlich begrenzte Realkataloge (1922) 0.02

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Content: "So viele Epochen der Wissenschaftsgeschichte und dementsprechend so viel verschiedene Systeme der [Einzel-] wissenschaften im Bewußtsein der Zeiten, so viele getrennte Realkataloge" (S.390)
Source: Zentralblatt für Bibliothekswesen. 39(1922), S.388-399

Meyer, A.: Probleme des Realkatalogs (1921) 0.02

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Source: Zentralblatt für Bibliothekswesen. 38(1921), S.227-238