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  1. By: Pendlebury, George B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 87
    Issue: 2
    Date: 1973
    Page Range: 131--136
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Pendlebury, George B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 4
    Date: 1976
    Page Range: 416--422
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Pendlebury, George B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 2
    Date: 1977
    Page Range: 122--129
    Publication Info: Ottawa Ottawa Field-Naturalists' Club