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  • × type_ss:"a"
  • × year_i:[1900 TO 1910}
  1. Immroth, J. P.: Library of Congress Classification (19??) 0.05 
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    Source
    Encyclopedia of library and information science. Vol.15
  2. Pobukovsky, M.: Unesco-cooperative development and promotion of the CDS/ISIS system (19??) 0.04 
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    Source
    Encyclopedia of library and information science. Vol.41, [=Suppl.6]
  3. Molitor, K.: Zu den Vorschlägen betreffend einheitlichen Zetteldruck I (1905) 0.02 
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    Source
    Zentralblatt für Bibliothekswesen. 22(1905), S.129-135

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