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  1. By: Wicksten, Mary K. - Butler, Terrance H. (Terrance Henry),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 96
    Date: 1983
    Page Range: 1--6
    Publication Info: Washington, Biological Society of Washington,
  2. By: Butler, Terrance H. (Terrance Henry),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 70
    Issue: 3
    Date: 1956
    Page Range: 142--142
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Butler, Terrance H. (Terrance Henry),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 64
    Issue: 5
    Date: 1950
    Page Range: 188--188
    Publication Info: Ottawa Ottawa Field-Naturalists' Club