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  1. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1915]
    Holding Institution: Library of Congress
  2. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1916.
    Holding Institution: Library of Congress
  3. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1910.
    Holding Institution: Library of Congress
  4. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Gov. Print. Off.,1921.
    Holding Institution: Library of Congress
  5. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington :Govt. print. off.,1919.
    Holding Institution: Smithsonian Libraries
  6. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1919.
    Holding Institution: Library of Congress
  7. By: Coker, R. E. (Robert Ervin), - Southall, John B.,
    Publication info: Washington DC :Government Printing Office,1915.
    Holding Institution: Library of Congress
  8. By: Boepple, J. F. (Johann Friedrich), - Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1912.
    Holding Institution: Library of Congress
  9. By: Coker, R. E. (Robert Ervin),
    Publication info: Raleigh,E. M. Uzzell & co., state printers and binders,1906.
    Holding Institution: Library of Congress
  10. By: Coker, R. E. (Robert Ervin), - Clark, H. Walton - Howard, A. D. (Arthur Day), - Shira, A. F.
    Publication info: Washington,Govt. Print. Off.,1921.
    Holding Institution: Library of Congress
  11. By: Coker, R. E. (Robert Ervin),
    Publication info: Raleigh,E. M. Uzzell & co., state printers and binders,1905.
    Holding Institution: Library of Congress
  12. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. print. off.,1914.
    Holding Institution: Library of Congress
  13. By: Coker, R. E. (Robert Ervin),
    Publication info: Washington,Govt. Print. Off.,1914.
    Holding Institution: Library of Congress
  1. By: Coker, R. E. (Robert Ervin),
    Type: Article
    In: The Auk.
    Volume: 37
    Date: 1920
    Page Range: 160--161
    Publication info: Washington, D.C. :American Ornithologists' Union, etc.,1884-
  2. By: Coker, R. E. (Robert Ervin),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 56
    Issue: 2298
    Date: 1919
    Page Range: 449--511
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  3. By: Pinney, M E - Coker, R. E. (Robert Ervin),
    Type: Article
    In: The Nautilus.
    Volume: 48
    Date: 1934
    Page Range: 55--60
    Publication info: Melbourne, Fla., etc.,American Malacologists, inc., etc.