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  1. By: Stepney, Philip H. R. - Power, Dennis M
    Type: Article
    In: The Wilson bulletin
    Volume: 85
    Issue: 4
    Date: 1973
    Page Range: 452--464
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Stepney, Philip H. R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 1
    Date: 1979
    Page Range: 76--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Boxall, Peter C. (Peter Charles) - Stepney, Philip H. R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 1
    Date: 1982
    Page Range: 46--50
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Stepney, Philip H. R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 1
    Date: 1975
    Page Range: 76--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club