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  1. By: Dugle, Janet R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 4
    Date: 1978
    Page Range: 415--415
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Guthrie, John E. - Dugle, Janet R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 1
    Date: 1983
    Page Range: 120--128
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Dugle, Janet R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 3
    Date: 1969
    Page Range: 250--252
    Publication Info: Ottawa Ottawa Field-Naturalists' Club