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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Williams, D. D.
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 48
    Series: new
    Date: 1953
    Page Range: 24--25
    Publication Info: Brooklyn, N.Y, The Society,
  2. By: Williams, D. D.
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 59
    Date: 1951
    Page Range: 213--216
    Publication Info: Lawrence, Kan Allen Press [etc.]