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  1. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 47
    Issue: 188
    Date: 1908
    Page Range: 30--36
    Publication Info: Philadelphia, American Philosophical Society,
  2. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 57
    Issue: 220
    Date: 1918
    Page Range: 144--154
    Publication Info: Philadelphia, American Philosophical Society,
  3. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 60
    Issue: 220
    Date: 1921
    Page Range: 553--559
    Publication Info: Philadelphia, American Philosophical Society,
  4. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 56
    Issue: 220
    Date: 1917
    Page Range: 473--483
    Publication Info: Philadelphia, American Philosophical Society,
  5. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 58
    Issue: 220
    Date: 1919
    Page Range: 55--73
    Publication Info: Philadelphia, American Philosophical Society,
  6. By: Balch, Edwin Swift
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 48
    Issue: 191
    Date: 1909
    Page Range: 34--50
    Publication Info: Philadelphia, American Philosophical Society,