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  • × year_i:[1930 TO 1940}
  • × theme_ss:"Geschichte der Klassifikationssysteme"
  1. Ansteinsson, J.: Dilemmas of classification (1934) 0.00 
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  2. Brown, J.D.; Stewart, J.D.: Subject classification (1939) 0.00 
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    Footnote
    2nd ed.: ... with tables, indexes etc. for the subdivision of subjects. London 1914

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