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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Metcalf, C L
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
    Page Range: 180--189
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  2. By: Jones, Lynds, - M'connell, Harry B - Metcalf, C L
    Type: Article
    In: The Wilson bulletin
    Volume: 15
    Series: new
    Issue: 2
    Date: 1903
    Page Range: 60--64
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Metcalf, C L
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 14
    Date: 1921
    Page Range: 169--214
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  4. By: Metcalf, C L
    Type: Article
    In: Psyche
    Volume: 26
    Date: 1919
    Page Range: 9--10
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  5. By: Metcalf, C L
    Type: Article
    In: Annals of the Entomological Society of America
    Volume: 13
    Date: 1920
    Page Range: 123--130
    Publication Info: [College Park, Md., etc.], Entomological Society of America,
  6. By: Metcalf, C L
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 28
    Date: 1917
    Page Range: 209--212
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],