dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 34
    Date: 1882
    Page Range: 226--230
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  2. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 31
    Issue: 142
    Date: 1893
    Page Range: 254--257
    Publication Info: Philadelphia, American Philosophical Society,
  3. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 21
    Issue: 115
    Date: 1884
    Page Range: 427--447
    Publication Info: Philadelphia, American Philosophical Society,
  4. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 29
    Issue: 135
    Date: 1891
    Page Range: 60--78
    Publication Info: Philadelphia, American Philosophical Society,
  5. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 30
    Issue: 138
    Date: 1892
    Page Range: 135--184
    Publication Info: Philadelphia, American Philosophical Society,
  6. By: Ruschenberger, W S W
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 23
    Issue: 121
    Date: 1886
    Page Range: 104--146
    Publication Info: Philadelphia, American Philosophical Society,