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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Knudsen, Jens W
    Type: Article
    In: The Coleopterists' Bulletin
    Volume: 13
    Issue: 4
    Date: 1959
    Page Range: 110--110
    Publication Info: [Washington, D.C. etc.], Coleopterists' Society,
  2. By: Knudsen, Jens W
    Type: Article
    In: Pacific science
    Volume: 18
    Issue: 1
    Date: 1964
    Page Range: 3--33
    Publication Info: Honolulu, University Press of Hawaii,
  3. By: Knudsen, Jens W
    Type: Article
    In: Pacific science
    Volume: 14
    Issue: 1
    Date: 1960
    Page Range: 3--17
    Publication Info: Honolulu, University Press of Hawaii,