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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Koestner, E J
    Type: Article
    In: The Great Basin naturalist
    Volume: 2
    Date: 1941
    Page Range: 9--15
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  2. 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-
  3. By: Koestner, E J - Schneider, R A
    Type: Article
    In: The Nautilus
    Volume: 54
    Date: 1940
    Page Range: 47--49
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc