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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Baumberger, J Percy
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 10
    Date: 1917
    Page Range: 179--186
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  2. By: Baumberger, J Percy
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 7
    Date: 1914
    Page Range: 323--353
    Publication Info: [College Park, Md., etc.], Entomological Society of America,