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  1. By: Snow, Barbara K
    Type: Article
    In: The Wilson bulletin
    Volume: 85
    Issue: 2
    Date: 1973
    Page Range: 163--177
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Snow, Barbara K - Snow, David W
    Type: Article
    In: The Wilson bulletin
    Volume: 97
    Issue: 3
    Date: 1985
    Page Range: 273--282
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Snow, David W - Snow, Barbara K
    Type: Article
    In: Bulletin of the British Museum (Natural History) Zoology
    Volume: 38
    Date: 1980-03-27
    Page Range: 105--139
    Publication Info: London, BM(NH),