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  1. By: Pietz, Pamela J. - Sovada, Marsha A. - Custer, Christine M - Custer, Thomas W - Johnson, Kevin M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 122
    Issue: 4
    Date: 2008-10-01
    Page Range: 312--315
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Beaver, Donald L - Osborn, Ronald G - Custer, Thomas W
    Type: Article
    In: The Wilson bulletin
    Volume: 92
    Issue: 2
    Date: 1980
    Page Range: 200--220
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Custer, Christine M - Custer, Thomas W - Sparks, Daniel W
    Type: Article
    In: The Wilson bulletin
    Volume: 108
    Issue: 3
    Date: 1996
    Page Range: 556--566
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-