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  1. By: Townsend, G. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 3
    Date: 1977
    Page Range: 328--329
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Townsend, G. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 2
    Date: 1976
    Page Range: 206--206
    Publication Info: Ottawa Ottawa Field-Naturalists' Club