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Zedler, G.: ¬Der Schlagwortkatalog (1914)
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- Zentralblatt für Bibliothekswesen. 31(1914), S.445-470
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Bohatta, H.: ¬Der Schlagwortkatalog der k. k. Universitätsbibliothek in Wien (1913)
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- Zentralblatt für Bibliothekswesen. 30(1913), S.331-350
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Schwenke, P.: Zur Frage der Systematik (1913)
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- Zentralblatt für Bibliothekswesen. 30(1913), S.225-227
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Leyh, G.: Systematische oder mechanische Aufstellung? (1914)
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- Zentralblatt für Bibliothekswesen. 31(1914), S.398-407
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Hilsenbeck, A.: Martin Schrettinger und die Aufstellung der Königl. Hof- und Staatsbibliothek München (1914)
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- Zentralblatt für Bibliothekswesen. 31(1914), S.407-436
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Leyh, G.: ¬Das Dogma von der systematischen Aufstellung : T.2 (1913)
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- Zentralblatt für Bibliothekswesen. 30(1913), S.97-136
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Máday, S. von: Verbesserte Dezimaleinteilung (1913)
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- Zentralblatt für Bibliothekswesen. 30(1913), S.161-180
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Leyh, G.: ¬Das Dogma von der systematischen Aufstellung : T.1 (1912)
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- Zentralblatt für Bibliothekswesen. 29(1912), S.241-259