Published in Journal für Ornithologie, in 1876, in volume 24, pages 283-285

Published in Journal für Ornithologie, in 1876, in volume 24, pages 317-318

Published in Journal für Ornithologie, in 1876, in volume 24, pages 285-317

Published in Journal für Ornithologie, in 1876, in volume 24, pages 387-391

Published in Journal für Ornithologie, in 1876, in volume 24, pages 401-441

Published in Journal für Ornithologie, in 1876, in volume 24, pages 89-91

Published in Journal für Ornithologie, in 1876, in volume 24, pages 66

Published in Journal für Ornithologie, in 1876, in volume 24, pages 76-79

Published in Journal für Ornithologie, in 1876, in volume 24, pages 40-65

Published in Journal für Ornithologie, in 1876, in volume 24, pages 112

Published in Journal für Ornithologie, in 1876, in volume 24, pages 107-111

Published in Journal für Ornithologie, in 1876, in volume 24, pages 1-35

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

Published in Journal für Ornithologie, in 1876, in volume 24, pages 91-98

Published in Journal für Ornithologie, in 1876, in volume 24, pages 79-84

Published in Journal für Ornithologie, in 1876, in volume 24, pages 84-89

Published in Journal für Ornithologie, in 1876, in volume 24, pages 111-112

Published in Journal für Ornithologie, in 1876, in volume 24, pages 446-448

Published in Journal für Ornithologie, in 1876, in volume 24, pages 441-442

Published in Journal für Ornithologie, in 1876, in volume 24, pages 443-446

Published in Journal für Ornithologie, in 1876, in volume 24, pages 448

Published in Journal für Ornithologie, in 1876, in volume 24, pages 337-387

Published in Journal für Ornithologie, in 1876, in volume 24, pages 393-400

Published in Journal für Ornithologie, in 1876, in volume 24, pages 392-393

Published in Journal für Ornithologie, in 1876, in volume 24, pages 391-392

Published in Journal für Ornithologie, in 1876, in volume 24, pages 400

Published in Journal für Ornithologie, in 1876, in volume 24, pages 332-335

Published in Journal für Ornithologie, in 1876, in volume 24, pages 279-283

Published in Journal für Ornithologie, in 1876, in volume 24, pages 335-336

Published in Journal für Ornithologie, in 1876, in volume 24, pages 147-154

Published in Journal für Ornithologie, in 1876, in volume 24, pages 216-223

Published in Journal für Ornithologie, in 1876, in volume 24, pages 207-211

Published in Journal für Ornithologie, in 1876, in volume 24, pages 189-203

Published in Journal für Ornithologie, in 1876, in volume 24, pages 173-189

Published in Journal für Ornithologie, in 1876, in volume 24, pages 163-173

Published in Journal für Ornithologie, in 1876, in volume 24, pages 154-162

Published in Journal für Ornithologie, in 1876, in volume 24, pages 113-145

Published in Journal für Ornithologie, in 1876, in volume 24, pages 224

Published in Journal für Ornithologie, in 1876, in volume 24, pages 211-216

Published in Journal für Ornithologie, in 1876, in volume 24, pages 67-76

Published in Journal für Ornithologie, in 1876, in volume 24, pages 204-206