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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Becker, George G
    Type: Article
    In: Journal of economic entomology
    Volume: 10
    Date: 1917
    Page Range: 66--71
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  2. By: Becker, George G
    Type: Article
    In: Psyche
    Volume: 25
    Date: 1918
    Page Range: 101--101
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  3. By: Becker, George G
    Type: Article
    In: Psyche
    Volume: 21
    Date: 1914
    Page Range: 94--95
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  4. By: Becker, George G
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 30
    Date: 1919
    Page Range: 24
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],