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  1. By: Cooper, John E.
    Type: Article
    In: The journal of raptor research
    Volume: 30
    Issue: 1
    Date: 1996
    Page Range: 45--45
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  2. By: Cooper, John E.
    Type: Article
    In: The journal of raptor research
    Volume: 21
    Issue: 1
    Date: 1987
    Page Range: 21--26
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Cooper, John E. - Braswell, Alvin L.
    Type: Article
    In: Brimleyana
    Volume: 22
    Date: 1995
    Page Range: 87--132
    Publication Info: [Raleigh, NC, North Carolina State Museum of Natural History], 1979-
  4. By: Cooper, John E. - Cooper, David G.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 116
    Date: 2003
    Page Range: 920--932
    Publication Info: Washington, Biological Society of Washington,