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  • × author_ss:"Vorstius, J."
  • × theme_ss:"Bibliographie"
  1. Vorstius, J.: Zur Theorie der primären Nationalbibliographie (1930) 0.01 
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  2. Vorstius, J.: Ergebnisse und Fortschritte der Bibliographie in Deutschland seit dem ersten Weltkrieg (1948) 0.01 
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