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  1. By: Bailey, Alfred M. (Alfred Marshall), - Niedrach, Robert J
    Type: Article
    In: The Wilson bulletin
    Volume: 50
    Issue: 4
    Date: 1938
    Page Range: 243--246
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Niedrach, Robert J
    Type: Article
    In: The Wilson bulletin
    Volume: 57
    Issue: 4
    Date: 1945
    Page Range: 261--261
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-