Published in Zoologischer Anzeiger, in 1923, in volume 56, pages 61-62

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Published in Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere, in 1908, in volume 26, pages 439-445

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Published in Journal für Ornithologie, in 1854, in volume 2, pages 384

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Published in Journal für Ornithologie, in 1854, in volume 2, pages 70-73

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Published in Journal für Ornithologie, in 1862, in volume 10, pages 384-391

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Published in Journal für Ornithologie, in 1855, in volume 3, pages 238-255

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 98-102

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 235-237

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Published in Journal für Ornithologie, in 1863, in volume 11, pages 135-136

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Published in Journal für Ornithologie, in 1857, in volume 5, pages 434-458

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Published in Journal für Ornithologie, in 1858, in volume 6, pages 75-93

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 71-73

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Published in Jahrbücher der Deutschen Malakozoologischen Gesellschaft, in 1884, in volume 11, pages 306

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 215-219

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 219-221

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Published in Journal für Ornithologie, in 1866, in volume 14, pages 217-231

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 155-157

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 239

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 333-334

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Published in Journal für Ornithologie, in 1882, in volume 30, pages 349-350

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Published in Journal für Ornithologie, in 1883, in volume 31, pages 97-99

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 452-453

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 46-51

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 138-142

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 455-460

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 107-111

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 349-351

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 341-342

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 26-39

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Published in Journal für Ornithologie, in 1881, in volume 29, pages 424-428

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Published in Journal für Ornithologie, in 1877, in volume 25, pages 445-447

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1877, in volume 9, pages 1-6

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1878, in volume 10, pages 17-24

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1878, in volume 10, pages 33-37

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1879, in volume 11, pages 5-8

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1885, in volume 17, pages 33-41

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1891, in volume 23, pages 75-82

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Published in Journal für Ornithologie, in 1855, in volume 3, pages 496-502

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Published in Journal für Ornithologie, in 1877, in volume 25, pages 349-350

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 136-137

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 285-287

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Published in The Auk, in 1919, in volume 36, pages 420-421

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1876, in volume 8, pages 19-20

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1888, in volume 20, pages 133-137

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1905, in volume 37, pages 88-89

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1908, in volume 40, pages 40-41

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Published in Jahrbücher der Deutschen Malakozoologischen Gesellschaft, in 1883, in volume 10, pages 383-388

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Published in Journal für Ornithologie, in 1865, in volume 13, pages 145-146

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 213-215

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1875, in volume 7, pages 87-89

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