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  1. By: Keen, John Henry,
    Type: Article
    In: The Ottawa naturalist
    Volume: 24
    Issue: 7
    Date: 1910-10
    Page Range: 116--117
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  2. By: Keen, John Henry,
    Type: Article
    In: The Ottawa naturalist
    Volume: 22
    Issue: 12
    Date: 1909-03
    Page Range: 260--260
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  3. By: Keen, John Henry,
    Type: Article
    In: The Canadian entomologist
    Volume: 27
    Date: 1895
    Page Range: 217--220
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],