Published in The Wilson Bulletin, in 1944, in volume 56, issue 1, pages 9-14
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Published in Asa Gray correspondence. Senders Be-Bo, in 1876, pages 1-2
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Published in Torreya, in 1908, in volume 8, issue 11, pages 253-255
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Published in Torreya, in 1901, in volume 1, issue 4, pages 37-39
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Published in Botanical Gazette, in 1886, in volume 11, issue 7, pages 181-182
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Published in Rhodora, in 1926, in volume 28, issue 4, pages 68
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Published in Rhodora, in 1902, in volume 4, issue 48, pages 248
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Published in Asa Gray correspondence. Senders Ca-Cl, pages 1
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Published in Torreya, in 1909, in volume 9, issue 4, pages 77-79
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1-2
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Published in Journal of the Elisha Mitchell Scientific Society, in 1918, in volume 33, pages 147-197
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Published in Journal of Raptor Research, in 2001, in volume 35, issue 3, pages 257-258
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Published in Journal of the Elisha Mitchell Scientific Society, in 1921, in volume 37, issue 1, pages 83-107
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Published in Proc. Calif. Acad. Sci., in 1969, in volume 36, pages 279-315
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Published in Occasional Papers of the California Academy of Science, in 1966, in volume 55, pages 1-9
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Published in Journal of the Elisha Mitchell Scientific Society, in 1922, in volume 38, issue 1, pages 98-126
Created: 2017-10-18, modified: 2017-10-18
Published in Bulletin of The African Bird Club, in 2000, in volume 7, issue 1, pages 13-17
Created: 2021-02-23, modified: 2021-02-23
Published in Bulletin of The British Ornithologists' Club, in 2005, in volume 125, pages 149-153
Created: 2012-12-02, modified: 2012-12-02
Published in Great Basin Naturalist, in 1977, in volume 37, pages 100
Created: 2013-03-14, modified: 2013-03-14
Published in Great Basin Naturalist, in 1977, in volume 37, pages 258
Created: 2013-03-14, modified: 2013-03-14
Published in Journal of Raptor Research, in 1992, in volume 26, issue 3, pages 196-197
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Published in Raptor Research, in 1985, in volume 19, issue 2-3, pages 85-93
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Published in Journal of the Elisha Mitchell Scientific Society, in 1915, in volume 31, pages 145-149
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Published in Forktail, in 1993, in volume 8, pages 7-9
Created: 2019-05-12, modified: 2019-05-12
Published in Bulletin of The African Bird Club, in 2001, in volume 8, issue 1, pages 59
Created: 2021-02-23, modified: 2021-02-23
Published in Annals of Tropical Medicine & Parasitology, in 1922, in volume 16, issue 4, pages 353-354
Created: 2022-11-06, modified: 2022-11-06
Published in Bulletin of The African Bird Club, in 2001, in volume 8, issue 2, pages 138-139
Created: 2021-02-23, modified: 2021-02-23
Published in The Wilson Bulletin, in 1992, in volume 104, issue 4, pages 571-579
Created: 2016-12-04, modified: 2016-12-04
Published in Bulletin of The African Bird Club, in 1999, in volume 6, issue 2, pages 115-116
Created: 2021-02-23, modified: 2021-02-23
Published in Journal of Raptor Research, in 1993, in volume 27, issue 1, pages 95
Created: 2017-04-07, modified: 2017-04-07
Published in Bull. Zool. Nom., in 1963, in volume 20, pages 383-387
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Published in The Auk, in 1905, in volume 22, pages 228
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Published in The Auk, in 1895, in volume 12, pages 287-288
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Published in Jour Washington Acad Sci, in 1936, in volume 26, pages 66-70
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Published in Asa Gray correspondence. Senders Ca-Cl, in 1849, pages 1-3
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Published in Bulletin of The African Bird Club, in 2003, in volume 10, issue 2, pages 107-108
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Published in The Great Basin Naturalist, in 1970, in volume 30, pages 55-70
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Published in Fossil mammals of Africa, in 1951, in volume 1, pages 1-117
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Published in Annals of Tropical Medicine & Parasitology, in 1923, in volume 17, issue 2, pages 299-301
Created: 2022-11-06, modified: 2022-11-06
Published in Proceedings of The Biological Society of Washington, in 1939, in volume 52, pages 177-183
Created: 2011-07-31, modified: 2011-07-31
Published in The Auk, in 1907, in volume 24, pages 453
Created: 2013-03-08, modified: 2013-03-08
Published in Madroño, in 2006, in volume 53, pages 85-86
Created: 2016-02-15, modified: 2016-07-07
Published in Bulletin of The British Ornithologists' Club, in 2007, in volume 127, pages 110-117
Created: 2012-12-02, modified: 2012-12-02
Published in Bulletin of The British Ornithologists' Club, in 1999, in volume 119, pages 56-59
Created: 2012-12-02, modified: 2012-12-02