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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Rich, Terrell
    Type: Article
    In: The Wilson bulletin
    Volume: 92
    Issue: 3
    Date: 1980
    Page Range: 362--368
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Rich, Terrell
    Type: Article
    In: The Wilson bulletin
    Volume: 92
    Issue: 4
    Date: 1980
    Page Range: 425--438
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-