Published in Proceedings of The American Philosophical Society, in 1889, in volume 26, issue 130, pages 492-495
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Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1890, pages 1
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Published in Amphibian and reptile conservation, in 1996, in volume 1, issue 1, pages 28
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Published in Veliger, in 1968, in volume 10, pages 297-304
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Published in Raptor Research, in 1984, in volume 18, issue 1, pages 20-25
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Published in Rhodora, in 2004, in volume 106, issue 925, pages 77-79
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Published in Quaestiones Entomologicae, in 1972, in volume 8, issue 1, pages 61-62
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Published in The Auk, in 1912, in volume 29, pages 392-393
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Published in Amphibian and reptile conservation, in 2000, in volume 2, issue 1, pages 4
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Published in Quaestiones Entomologicae, in 1979, in volume 15, issue 1, pages 119
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Published in Scopus, in 1994, in volume 18, issue 1, pages 1-5
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Published in Madroño, in 2013, in volume 60, pages 262-263
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Published in Forktail, in 2009, in volume 25, pages 137-141
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Published in The Auk, in 1913, in volume 30, pages 591
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Published in Palaeontology, in 1966, in volume 9, issue 1, pages 30-38
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Published in Quaestiones Entomologicae, in 1976, in volume 12, issue 3, pages 219-237
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Published in Quaestiones Entomologicae, in 1977, in volume 13, issue 3, pages 195-218
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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 291-292
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Published in Bulletin of The African Bird Club, in 2000, in volume 7, issue 2, pages 119-127
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Published in Sida, Contributions To Botany, in 1998, in volume 18, issue 2, pages 605-609
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Published in The Wilson Bulletin, in 1984, in volume 96, issue 2, pages 173-183
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Published in The Wilson Bulletin, in 1985, in volume 97, issue 3, pages 347-355
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Published in Madroño, in 1967, in volume 19, issue 2, pages 55-57
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Published in Journal of The Botanical Research Institute of Texas, in 2009, in volume 3, issue 1, pages 84
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Published in Veliger, in 1968, in volume 10, pages 375-378
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Published in Pan-Pacific Entomologist, in 1930, in volume 6, pages 178-180
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Published in Breviora, in 1961, in volume 146, pages 1-7
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Published in The Great Basin Naturalist, in 1987, in volume 47, issue 2, pages 202-206
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Published in The Wilson Bulletin, in 1987, in volume 99, issue 3, pages 351-368
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Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 40-45
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Published in Quaestiones Entomologicae, in 1968, in volume 4, issue 1, pages 31-32
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Published in Scopus, in 1995, in volume 19, issue 1, pages 38-46
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Published in Amphibian And Reptile Conservation, in 2001, in volume 2, pages 30-31
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Published in Amphipacifica, in 1995, in volume 1, issue 4, pages 61-102
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Published in Bulletin of The African Bird Club, in 2013, in volume 20, issue 1, pages 39-44
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Published in The Great Basin Naturalist, in 1986, in volume 46, issue 2, pages 198-203
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Published in The Wilson Bulletin, in 1996, in volume 108, issue 2, pages 246-267
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Published in Palaeontology, in 1972, in volume 15, issue 2, pages 238-266
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Published in Nuytsia, in 1984, in volume 5, issue 1, pages 67-74
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Published in Postilla, in 1961, in volume 48, pages 1-20
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Published in The Auk, in 1911, in volume 28, pages 408-427
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Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 144-147
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Published in Mitteilungen der Bayerischen Staatssammlung fuer Palaeontologie und Historische Geologie, in 1966, in volume 6, pages 51-63
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Published in Glasgow Naturalist, in 2012, in volume 25, issue 4, pages 29-32
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Published in The Auk, in 1911, in volume 28, pages 398-407
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Published in Quarterly Journal of The Florida Academy of Sciences, in 1972, in volume 35, pages 15-20
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Published in Rhodora, in 1980, in volume 82, issue 830, pages 321-330
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