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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Campbell, J. W.
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 23
    Series: new
    Date: 1928
    Page Range: 124--128
    Publication Info: Brooklyn, N.Y, The Society,
  2. By: Campbell, J. W.
    Type: Article
    In: Transactions and proceedings of the New Zealand Institute
    Volume: v.54 (1922)
    Date: 1922
    Page Range: 260-264
    Publication Info: Wellington, New Zealand Institute,
  3. By: Campbell, J. W.
    Type: Article
    In: Transactions and proceedings of the New Zealand Institute
    Volume: 53
    Date: 1921
    Page Range: 258--288
    Publication Info: Wellington, New Zealand Institute,