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  1. By: Raitt, Ralph J. - Hardy, John William
    Type: Article
    In: The Wilson bulletin
    Volume: 88
    Issue: 4
    Date: 1976
    Page Range: 529--554
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Thomaides, Christos - Valdez, Raul - Reid, W H - Raitt, Ralph J.
    Type: Article
    In: The journal of raptor research
    Volume: 23
    Issue: 2
    Date: 1989
    Page Range: 42--44
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  3. By: Winterstein, Scott R - Raitt, Ralph J.
    Type: Article
    In: The Wilson bulletin
    Volume: 95
    Issue: 2
    Date: 1983
    Page Range: 256--268
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Raitt, Ralph J. - Hardy, John William
    Type: Article
    In: The Wilson bulletin
    Volume: 91
    Issue: 1
    Date: 1979
    Page Range: 1--15
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Raitt, Ralph J. - Winterstein, Scott R - Hardy, John William
    Type: Article
    In: The Wilson bulletin
    Volume: 96
    Issue: 2
    Date: 1984
    Page Range: 206--227
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-