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  1. By: Boles, B. - Letkeman, R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 1
    Date: 1976
    Page Range: 72--73
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Boles, B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 1
    Date: 1977
    Page Range: 68--69
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: deGraaf, Dirk A. - Boles, B. - Lovisek, James A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 3
    Date: 1981
    Page Range: 366--367
    Publication Info: Ottawa Ottawa Field-Naturalists' Club