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