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Boysen, K.: Systematischer oder Schlagwortkatalog (1921)
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Füchsel, J.: ¬Ein schwedisches Realkatalogschema (1922)
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- Source
- Zentralblatt für Bibliothekswesen. 39(1922), S.29-35
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Below, E.: ¬Das Schlagwortregister zum Fachkatalog (1921)
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