dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Hobbs, William Herbert
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 48
    Issue: 192
    Date: 1909
    Page Range: 259--302
    Publication Info: Philadelphia, American Philosophical Society,
  2. By: Hobbs, William Herbert
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 60
    Issue: 220
    Date: 1921
    Page Range: 34--42
    Publication Info: Philadelphia, American Philosophical Society,
  3. By: Hobbs, William Herbert
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 54
    Issue: 218
    Date: 1915
    Page Range: 185--225
    Publication Info: Philadelphia, American Philosophical Society,