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  1. By: Brown, Ernest W. (Ernest William),
    Publication info: Utica, N.Y, Science Press, c1921
    Holding Institution: Smithsonian Libraries and Archives
  1. By: Brown, Ernest W. (Ernest William),
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 61
    Issue: 220
    Date: 1922
    Page Range: 283--285
    Publication Info: Philadelphia, American Philosophical Society,