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  • × year_i:[1920 TO 1930}
  1. Weltsch, F.: ¬Der "engste Begriff" oder Gruppenbildung : ein Grundproblem des Schlagwortkataloges (1928) 0.05 
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    Series
    Procès-verbaux et Mèmoires; 2
    Source
    Congrès International des Bibliothécaires et des amis du livre tenu à Prague 1926
  2. Füchsel, J.: Richtlinien für die Anlage von Schlagwortkatalogen (1927) 0.02 
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  3. Kaiser, J.: Systematic indexing (1926) 0.02 
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  4. Füchsel, J.: ¬Ein schwedisches Realkatalogschema (1922) 0.02 
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