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  • × year_i:[1920 TO 1930}
  1. Tillich, P.: ¬Das System der Wissenschaften nach Gegenständen und Methoden : ein Entwurf (1923) 0.01
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  2. Schunke, I.: ¬Die systematischen Ordnungen und ihre Entwicklungen : Versuch einer geschichtlichen Übersicht (1927) 0.01
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