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  1. By: Pitelka, F A - Koestner, E J
    Type: Article
    In: The Wilson bulletin
    Volume: 54
    Issue: 2
    Date: 1942
    Page Range: 97--106
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Pitelka, F A
    Type: Article
    In: The veliger
    Volume: 3
    Date: 1961
    Page Range: 64--65
    Publication Info: Berkeley, CA, California Malacozoological Society,