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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Holmberg, R G - Kokko, E G
    Type: Article
    In: Entomological news
    Volume: 94
    Date: 1983
    Page Range: 49--52
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  2. By: Bragg, Philip D. - Holmberg, R G
    Type: Article
    In: The Journal of arachnology
    Volume: 2
    Issue: 2
    Date: 1974
    Page Range: 127--127
    Publication Info: [Lubbock, Tex.], American Arachnological Society,