Published in Journal für Ornithologie, in 1889, in volume 37, pages 120-136
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32714471,60,60)
Published in Journal für Ornithologie, in 1887, in volume 35, pages 189-213
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/33572178,60,60)
Published in Journal für Ornithologie, in 1901, in volume 49, pages 337-359
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32903141,60,60)
Published in Journal für Ornithologie, in 1889, in volume 37, pages 101-109
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32697630,60,60)
Published in Journal für Ornithologie, in 1894, in volume 42, pages 280-290
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32705017,60,60)
Published in Journal für Ornithologie, in 1888, in volume 36, pages 313-571
Created: 2014-09-04, modified: 2014-09-04