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  1. By: Trimble, Ruth
    Type: Article
    In: The Wilson bulletin
    Volume: 48
    Issue: 1
    Date: 1936
    Page Range: 41--47
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Trimble, Ruth
    Type: Article
    In: Annals of the Carnegie Museum
    Volume: 29
    Date: 1943-06-03
    Page Range: 409--441
    Publication Info: [Pittsburgh], Published by authority of the Board of Trustees of the Carnegie Institute, 1901-
  3. By: Trimble, Ruth
    Type: Article
    In: Annals of the Carnegie Museum
    Volume: 28
    Date: 1940-10-04
    Page Range: 83--132
    Publication Info: [Pittsburgh], Published by authority of the Board of Trustees of the Carnegie Institute, 1901-