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  1. By: Oliphant, L W - Thompson, W. J. P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 3
    Date: 1976
    Page Range: 364--365
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Oliphant, L W - Thompson, W. J. P. - Donald, T. - Rafuse, R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 3
    Date: 1976
    Page Range: 365--368
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Oliphant, L W - Thompson, W. J. P.
    Type: Article
    In: Raptor research
    Volume: 12
    Issue: 1-2
    Date: 1978
    Page Range: 35--39
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]