Published in Journal für Ornithologie, in 1906, in volume 54, pages 329-358

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Published in Journal für Ornithologie, in 1891, in volume 39, pages 225-235

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Published in Journal für Ornithologie, in 1885, in volume 33, pages 354-368

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Published in Journal für Ornithologie, in 1877, in volume 25, pages 347-348

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Published in Ornithologische Monatsberichte, in 1900, in volume 8, pages 97-98

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Published in Journal für Ornithologie, in 1908, in volume 56, pages 72-121

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 244-248

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Published in Journal für Ornithologie, in 1895, in volume 43, pages 457-481

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Published in Journal für Ornithologie, in 1897, in volume 45, pages 524-533

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Published in Journal für Ornithologie, in 1899, in volume 47, pages 375-386

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 193

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Published in Journal für Ornithologie, in 1894, in volume 42, pages 1-28

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Published in Journal für Ornithologie, in 1891, in volume 39, pages 47-56

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 225-244

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 1-35

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 186-188

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 113-145

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Published in Journal für Ornithologie, in 1901, in volume 49, pages 105-109

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Published in Journal für Ornithologie, in 1910, in volume 58, pages 809-813

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Published in Journal für Ornithologie, in 1881, in volume 29, pages 289-323

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 254-276

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 194-209

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 97-102

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Published in Journal für Ornithologie, in 1886, in volume 34, pages 436-452

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Published in Journal für Ornithologie, in 1883, in volume 31, pages 337-368

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Published in Journal für Ornithologie, in 1882, in volume 30, pages 449-461

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Published in Journal für Ornithologie, in 1884, in volume 32, pages 381-436

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 314-324

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Published in Journal für Ornithologie, in 1886, in volume 34, pages 81-114

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Published in Journal für Ornithologie, in 1882, in volume 30, pages 111-120

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Published in Journal für Ornithologie, in 1918, in volume 66, pages 331-335

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Published in Journal für Ornithologie, in 1914, in volume 62, pages 608-681

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Published in Journal für Ornithologie, in 1881, in volume 29, pages 70-102

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Published in Journal für Ornithologie, in 1882, in volume 30, pages 213-228

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Published in Journal für Ornithologie, in 1901, in volume 49, pages 6-46

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Published in Journal für Ornithologie, in 1920, in volume 68, pages 272-291

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Published in Journal für Ornithologie, in 1914, in volume 62, pages 148-156

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Published in Journal für Ornithologie, in 1922, in volume 70, issue 4, pages 492-506

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 131-169

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Published in Journal für Ornithologie, in 1891, in volume 39, pages 235-271

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Published in Journal für Ornithologie, in 1883, in volume 31, pages 225-255

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Published in Copeia, in 1915, in volume 20, pages 18-19

Created: 2013-03-07, modified: 2013-03-08

Published in Journal of The New York Entomological Society, in 1953, in volume 61, issue 4, pages 201-210

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Published in Rhodora, in 1947, in volume 49, issue 581, pages 142-143

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Published in Entomological News, Philadelphia, in 1893, in volume 4, pages 116-118

Created: 2011-06-03, modified: 2011-06-21

Published in Journal für Ornithologie, in 1882, in volume 30, pages 4-17

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Published in Rhodora, in 1930, in volume 32, pages 95-105

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Published in Rhodora, in 1992, in volume 94, issue 880, pages 396

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Published in Zoologica, in 1939, in volume 24, issue 13, pages 293-295

Created: 2016-11-07, modified: 2016-11-07

Published in Journal für Ornithologie, in 1903, in volume 51, pages 507-514

Created: 2014-09-04, modified: 2014-09-04