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  1. By: Rohwer, S. A. (Sievert Allen), - Middleton, William
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 60
    Issue: 2396
    Date: 1922
    Page Range: 1--46
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  2. By: Middleton, William
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 48
    Issue: 2083
    Date: 1915
    Page Range: 497--501
    Publication Info: Washington Smithsonian Institution Press, [etc.]