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  1. By: Baker, Bernard W. - Walkinshaw, Lawrence H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 60
    Issue: 1
    Date: 1946
    Page Range: 5--10
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Baker, Bernard W.
    Type: Article
    In: The Wilson bulletin
    Volume: 56
    Issue: 2
    Date: 1944
    Page Range: 83--90
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Walkinshaw, Lawrence H. - Baker, Bernard W.
    Type: Article
    In: The Wilson bulletin
    Volume: 58
    Issue: 3
    Date: 1946
    Page Range: 133--142
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-