Koch, F.: Zur Frage des Schlagwortkatalogs (1927)
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- Source
- Zentralblatt für Bibliothekswesen. 44(1927), S.553-556
Koch, F.: Noch einmal Schlagwortkatalog (1926)
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- Source
- Zentralblatt für Bibliothekswesen. 43(1926), S.245-257