-
By: Rosenfield, Robert N - Bielefeldt, John - Trexel, Dale R. - Doolittle, T C J
Type: Article
In: The journal of raptor research
Volume: 32
Series:
Issue: 3
Date: 1998
Page Range: 189--194
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Trexel, Dale R. - Rosenfield, Robert N - Bielefeldt, John - Jacobs, Eugene A
Type: Article
In: The Wilson bulletin
Volume: 111
Series:
Issue: 1
Date: 1999
Page Range: 7--14
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Rosenfield, Robert N - Bielefeldt, John - Rosenfield, Laura J - Stewart, Andrew C - Murphy, Robert K - Grosshuesch, David A - Bozek, Michael A
Type: Article
In: The Wilson bulletin
Volume: 115
Series:
Issue: 3
Date: 2003
Page Range: 225--230
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
-
By: Bielefeldt, John - Rosenfield, Robert N - Cary, John R. (John Robert),
Type: Article
In: The Wilson bulletin
Volume: 103
Series:
Issue: 4
Date: 1991
Page Range: 656--660
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
Subjects:
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By: Rosenfield, Robert N - Bielefeldt, John - Nolte, K R
Type: Article
In: The journal of raptor research
Volume: 26
Series:
Issue: 3
Date: 1992
Page Range: 189--191
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Rosenfield, Robert N - Bielefeldt, John
Type: Article
In: The journal of raptor research
Volume: 31
Series:
Issue: 4
Date: 1997
Page Range: 313--316
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects:
-
By: Rosenfield, Robert N - Bielefeldt, John
Type: Article
In: The journal of raptor research
Volume: 25
Series:
Issue: 4
Date: 1991
Page Range: 113--115
Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
Subjects: