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  1. By: Hoffman, W J
    Type: Article
    In: The Auk
    Volume: 2
    Date: 1885
    Page Range: 7--10
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 26
    Issue: 129
    Date: 1889
    Page Range: 329--352
    Publication Info: Philadelphia, American Philosophical Society,
  3. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 26
    Issue: 129
    Date: 1889
    Page Range: 187--285
    Publication Info: Philadelphia, American Philosophical Society,
  4. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 14
    Issue: 94
    Date: 1875
    Page Range: 414--415
    Publication Info: Philadelphia, American Philosophical Society,
  5. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 14
    Issue: 93
    Date: 1874
    Page Range: 297--298
    Publication Info: Philadelphia, American Philosophical Society,
  6. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 23
    Issue: 122
    Date: 1886
    Page Range: 294--303
    Publication Info: Philadelphia, American Philosophical Society,
  7. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 23
    Issue: 123
    Date: 1886
    Page Range: 361--371
    Publication Info: Philadelphia, American Philosophical Society,
  8. By: Hoffman, W J
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 23
    Issue: 123
    Date: 1886
    Page Range: 372--379
    Publication Info: Philadelphia, American Philosophical Society,