Published in Journal für Ornithologie, in 1897, in volume 45, pages 178-183
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1891, in volume 39, pages 275-292
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1892, in volume 40, pages 151-167
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1891, in volume 39, pages 165-199
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1896, in volume 44, pages 67-81
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1894, in volume 42, pages 136-155
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1892, in volume 40, pages 167-170
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1890, in volume 38, pages 94-98
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1892, in volume 40, pages 443-456
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1897, in volume 45, pages 480-498
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1892, in volume 40, pages 237-253
Created: 2014-09-04, modified: 2014-09-04
Published in Bulletin of The British Ornithologists' Club, in 1997, in volume 117, pages 235-236
Created: 2012-12-02, modified: 2012-12-02