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  1. By: Bigelow, Henry Bryant, - Welsh, William W.,
    Publication info: Washington,Govt. Print. Off.,1925.
    Holding Institution: MBLWHOI Library
  2. By: Ginsburg, Isaac, - Welsh, William W.,
    Publication info: 1915
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  3. By: Ginsburg, Isaac, - Welsh, William W.,
    Publication info: 1916
    Holding Institution: Smithsonian Institution Archives
    BHL Collections: Smithsonian Field Books collection
  1. By: Welsh, William W., - Breder, Charles M. (Charles Marcus),
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society.
    Volume: 2
    Issue: 12
    Date: 1922
    Page Range: 261--276
    Publication info: New York.
  2. By: Radcliffe, L - Welsh, William W.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 29
    Date: 1916
    Page Range: 39--45
    Publication info: Washington,Biological Society of Washington
  3. By: Radcliffe, L - Welsh, William W.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 30
    Date: 1917
    Page Range: 35--42
    Publication info: Washington,Biological Society of Washington
  4. By: Welsh, William W.,
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 62
    Issue: 2449
    Date: 1923
    Page Range: 1--11
    Publication info: Washington :Smithsonian Institution Press, [etc.]