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  • × year_i:[1940 TO 1950}
  • × theme_ss:"Geschichte des Schlagwortkataloges"
  1. Schmidt, P.: Über die Gestaltung des Schlagwortkatalogs der Universitätsbibliothek in Basel (1942) 0.02 
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  2. Pettee, J.: Subject headings: the history and theory of the alphabetical subject approach to books (1946) 0.00 
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