Published in Journal für Ornithologie, in 1875, in volume 23, pages 216-222

Published in Journal für Ornithologie, in 1875, in volume 23, pages 222-227

Published in Journal für Ornithologie, in 1875, in volume 23, pages 153-166

Published in Journal für Ornithologie, in 1875, in volume 23, pages 111-113

Published in Journal für Ornithologie, in 1875, in volume 23, pages 52-58

Published in Journal für Ornithologie, in 1875, in volume 23, pages 233-239

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

Published in Journal für Ornithologie, in 1875, in volume 23, pages 240

Published in Journal für Ornithologie, in 1875, in volume 23, pages 231-233

Published in Journal für Ornithologie, in 1875, in volume 23, pages 228-231

Published in Journal für Ornithologie, in 1875, in volume 23, pages 151-152

Published in Journal für Ornithologie, in 1875, in volume 23, pages 214-215

Published in Journal für Ornithologie, in 1875, in volume 23, pages 113-118

Published in Journal für Ornithologie, in 1875, in volume 23, pages 128

Published in Journal für Ornithologie, in 1875, in volume 23, pages 127-128

Published in Journal für Ornithologie, in 1875, in volume 23, pages 1-50

Published in Journal für Ornithologie, in 1875, in volume 23, pages 58-104

Published in Journal für Ornithologie, in 1875, in volume 23, pages 448-452

Published in Journal für Ornithologie, in 1875, in volume 23, pages 417-428

Published in Journal für Ornithologie, in 1875, in volume 23, pages 454

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

Published in Journal für Ornithologie, in 1875, in volume 23, pages 415-416

Published in Journal für Ornithologie, in 1875, in volume 23, pages 413-414

Published in Journal für Ornithologie, in 1875, in volume 23, pages 353-407

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

Published in Journal für Ornithologie, in 1875, in volume 23, pages 293-340

Published in Journal für Ornithologie, in 1875, in volume 23, pages 241-257

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

Published in Journal für Ornithologie, in 1875, in volume 23, pages 258-285

Published in Journal für Ornithologie, in 1875, in volume 23, pages 340

Published in Journal für Ornithologie, in 1875, in volume 23, pages 351-352

Published in Journal für Ornithologie, in 1875, in volume 23, pages 105-106