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By: Trotter, Spencer
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 43
Series:
Issue:
Date: 1891
Page Range: 118--120
Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 26
Series:
Issue:
Date: 1909
Page Range: 221--233
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 26
Series:
Issue:
Date: 1909
Page Range: 346--363
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Stone, Witmer. - Rhoads, Samuel N. (Samuel Nicholson), - Trotter, Spencer - Moore, Robert Thomas - Ehinger, C E - Fowler, Henry W., - Emlen, Arthur C - Scoville - Roberts, William E - Bacon, Francis L - Carter, John D - Jackson, Thomas Hoopes, - Cope, E. D. (Edward Drinker), - Bartram, Edwin B. (Edwin Bunting), - Evans, William B - Weygandt, Cornelius
Type: Article
In: The Auk
Volume: 37
Series:
Issue:
Date: 1920
Page Range: 179--180
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 29
Series:
Issue:
Date: 1912
Page Range: 255--256
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 20
Series:
Issue:
Date: 1903
Page Range: 249--262
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 19
Series:
Issue:
Date: 1902
Page Range: 206--208
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: Proceedings of the Academy of Natural Sciences of Philadelphia
Volume: 29
Series:
Issue:
Date: 1877
Page Range: 292--292
Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 29
Series:
Issue:
Date: 1912
Page Range: 159--165
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 4
Series:
Issue:
Date: 1887
Page Range: 307--310
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects:
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By: Trotter, Spencer
Type: Article
In: The Auk
Volume: 21
Series:
Issue:
Date: 1904
Page Range: 55--64
Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
Subjects: