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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Law, Philip H
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 22
    Issue: 120
    Date: 1885
    Page Range: 404--405
    Publication Info: Philadelphia, American Philosophical Society,
  2. By: Law, Philip H
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 25
    Issue: 127
    Date: 1888
    Page Range: 132--135
    Publication Info: Philadelphia, American Philosophical Society,