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  1. By: Schlesinger, Frank
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 56
    Issue: 220
    Date: 1917
    Page Range: 484--486
    Publication Info: Philadelphia, American Philosophical Society,
  2. By: Schlesinger, Frank
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 52
    Issue: 209
    Date: 1913
    Page Range: 175--183
    Publication Info: Philadelphia, American Philosophical Society,
  3. By: Schlesinger, Frank
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 53
    Issue: 215
    Date: 1914
    Page Range: 303--306
    Publication Info: Philadelphia, American Philosophical Society,
  4. By: Schlesinger, Frank
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 54
    Issue: 220
    Date: 1915
    Page Range: 351--358
    Publication Info: Philadelphia, American Philosophical Society,