Published in Journal für Ornithologie, in 1909, in volume 57, pages 1-32
Published in Journal für Ornithologie, in 1909, in volume 57, pages 32-42
Published in Journal für Ornithologie, in 1909, in volume 57, pages 43-49
Published in Journal für Ornithologie, in 1909, in volume 57, pages 49-55
Published in Journal für Ornithologie, in 1909, in volume 57, pages 56-83
Published in Journal für Ornithologie, in 1909, in volume 57, pages 83-88
Published in Journal für Ornithologie, in 1909, in volume 57, pages 89-98
Published in Journal für Ornithologie, in 1909, in volume 57, pages 98-100
Published in Journal für Ornithologie, in 1909, in volume 57, pages 100-104
Published in Journal für Ornithologie, in 1909, in volume 57, pages 104-107
Published in Journal für Ornithologie, in 1909, in volume 57, pages 107-108
Published in Journal für Ornithologie, in 1909, in volume 57, pages 108-110
Published in Journal für Ornithologie, in 1909, in volume 57, pages 117-119
Published in Journal für Ornithologie, in 1909, in volume 57, pages 121-211
Published in Journal für Ornithologie, in 1909, in volume 57, pages 212-222
Published in Journal für Ornithologie, in 1909, in volume 57, pages 223-226
Published in Journal für Ornithologie, in 1909, in volume 57, pages 226-230
Published in Journal für Ornithologie, in 1909, in volume 57, pages 230-232
Published in Journal für Ornithologie, in 1909, in volume 57, pages 232-236
Published in Journal für Ornithologie, in 1909, in volume 57, pages 236-239
Published in Journal für Ornithologie, in 1909, in volume 57, pages 241-322
Published in Journal für Ornithologie, in 1909, in volume 57, pages 322-365
Published in Journal für Ornithologie, in 1909, in volume 57, pages 365-383
Published in Journal für Ornithologie, in 1909, in volume 57, pages 384-458
Published in Journal für Ornithologie, in 1909, in volume 57, pages 458-502
Published in Journal für Ornithologie, in 1909, in volume 57, pages 502-503
Published in Journal für Ornithologie, in 1909, in volume 57, pages 503-504
Published in Journal für Ornithologie, in 1909, in volume 57, pages 573-587
Published in Journal für Ornithologie, in 1909, in volume 57, pages 587-588
Published in Journal für Ornithologie, in 1909, in volume 57, pages 589-590
Published in Journal für Ornithologie, in 1909, in volume 57, pages 591-596