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  1. By: Brown, Patrick W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 3
    Date: 1997
    Page Range: 454--456
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Houston, C Stuart - Brown, Patrick W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 4
    Date: 1983
    Page Range: 454--455
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Brown, Patrick W. - Fredrickson, Leigh H
    Type: Article
    In: The Wilson bulletin
    Volume: 99
    Issue: 1
    Date: 1987
    Page Range: 50--55
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Brown, Patrick W. - Fredrickson, Leigh H
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 2
    Date: 1989
    Page Range: 240--247
    Publication Info: Ottawa Ottawa Field-Naturalists' Club