Published in Journal für Ornithologie, in 1892, in volume 40, pages 317-318

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

Published in Journal für Ornithologie, in 1920, in volume 68, pages 175-177

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Published in Journal für Ornithologie, in 1905, in volume 53, pages 297-303

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Published in Journal für Ornithologie, in 1895, in volume 43, pages 15-29

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Published in Journal für Ornithologie, in 1916, in volume 64, pages 244-251

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

Published in Journal für Ornithologie, in 1917, in volume 65, pages 444-458

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

Published in Journal für Ornithologie, in 1916, in volume 64, pages 582-604

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

Published in Journal für Ornithologie, in 1898, in volume 46, pages 24-56

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Published in Ornithologische Monatsberichte, in 1900, in volume 8, pages 81

Created: 2018-10-01, modified: 2018-10-01

Published in Journal für Ornithologie, in 1916, in volume 64, pages 241-243

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

Published in Journal für Ornithologie, in 1913, in volume 61, pages 612-617

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