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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Sleeper, Elbert L.
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 33
    Date: 1957
    Page Range: 127--131
    Publication Info: San Francisco Pacific Coast Entomological Society
  2. By: Sleeper, Elbert L.
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 31
    Date: 1955
    Page Range: 155--162
    Publication Info: San Francisco Pacific Coast Entomological Society
  3. By: Sleeper, Elbert L.
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 31
    Date: 1955
    Page Range: 87--89
    Publication Info: San Francisco Pacific Coast Entomological Society
  4. By: Sleeper, Elbert L.
    Type: Article
    In: The Coleopterists' Bulletin
    Volume: 13
    Issue: 4
    Date: 1959-12-30
    Page Range: 107--110
    Publication Info: [Washington, D.C. etc.], Coleopterists' Society,