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  1. By: Rohwer, S. A. (Sievert Allen), - Fagan, Margaret M
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 55
    Date: 1919
    Page Range: 237--240
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  2. By: Rohwer, S. A. (Sievert Allen), - Fagan, Margaret M
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 53
    Issue: 2208
    Date: 1917
    Page Range: 357--380
    Publication Info: Washington Smithsonian Institution Press, [etc.]