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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fries, Carl - Hibbard, Claude W - Dunkle, David H.
    Type: Article
    In: Smithsonian miscellaneous collections
    Volume: 123
    Issue: 7
    Date: 1955-02-17
    Page Range: 1--25
    Publication Info: Washington Smithsonian Institution 1862-1972