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  • × year_i:[1920 TO 1930}
  1. Koch, F.: Vorschriften für den Schlagwortkatalog der National-Bibliothek in Wien (1924) 0.01 
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  2. Lysen, A.: ¬Ein "¬verbesserter Index" zum systematischen Katalog (1925) 0.00 
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    Abstract
    Dieser Beitrag enthält bereits Vorschläge zur Gestaltung eines alphabetischen Schlagwort-Registers zur Systematik (mit Verweis auf die Bibliothek des Haager Friedenspalastes), wie sie später beim Kluth'schen Schlagwortindex wieder aufgegriffen worden sind
  3. Hertley, R.V.L.: Transmission of information (1928) 0.00 
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