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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Russell, Robert J
    Type: Article
    In: University of Kansas publications, Museum of Natural History
    Volume: 16
    Date: 1968
    Page Range: 473--579
    Publication Info: Lawrence, University of Kansas,
  2. By: Russell, Robert J
    Type: Article
    In: University of Kansas publications, Museum of Natural History
    Volume: 9
    Date: 1957
    Page Range: 357--361
    Publication Info: Lawrence, University of Kansas,