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  1. By: Perkins, Dustin W. - Hodgman, Thomas P - Owen, Ray B - Dimond, John B
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 3
    Date: 1998
    Page Range: 393--399
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Haegen, W Matthew Vander - Owen, Ray B - Krohn, William B
    Type: Article
    In: The Wilson bulletin
    Volume: 106
    Issue: 2
    Date: 1994
    Page Range: 338--343
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Owen, Ray B - Krohn, William B
    Type: Article
    In: The Wilson bulletin
    Volume: 85
    Issue: 1
    Date: 1973
    Page Range: 31--41
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-