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  1. By: Crawley, Howard
    Publication info: Washington, Govt. print. off, 1912
    Holding Institution: Library of Congress
  1. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 66
    Date: 1914
    Page Range: 432--436
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  2. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 57
    Date: 1905
    Page Range: 89--99
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  3. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 55
    Date: 1903
    Page Range: 337--338
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  4. By: Crawley, Howard
    Type: Article
    In: The Journal of parasitology
    Volume: 2
    Issue: 2
    Date: 1915-12
    Page Range: 87--92
    Publication Info: Chicago [etc.],
  5. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 63
    Date: 1911
    Page Range: 457--468
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  6. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 54
    Date: 1902
    Page Range: 4--20
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  7. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 68
    Date: 1916
    Page Range: 2--43
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  8. By: Crawley, Howard
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 72
    Date: 1920
    Page Range: 331--336
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,