Published in Journal für Ornithologie, in 1912, in volume 60, pages 1-68
Published in Journal für Ornithologie, in 1912, in volume 60, pages 69-95
Published in Journal für Ornithologie, in 1912, in volume 60, pages 96-109
Published in Journal für Ornithologie, in 1912, in volume 60, pages 109-117
Published in Journal für Ornithologie, in 1912, in volume 60, pages 117-120
Published in Journal für Ornithologie, in 1912, in volume 60, pages 120-121
Published in Journal für Ornithologie, in 1912, in volume 60, pages 122-129
Published in Journal für Ornithologie, in 1912, in volume 60, pages 129-132
Published in Journal für Ornithologie, in 1912, in volume 60, pages 133-243
Published in Journal für Ornithologie, in 1912, in volume 60, pages 243-249
Published in Journal für Ornithologie, in 1912, in volume 60, pages 249-297
Published in Journal für Ornithologie, in 1912, in volume 60, pages 298-314
Published in Journal für Ornithologie, in 1912, in volume 60, pages 314-318
Published in Journal für Ornithologie, in 1912, in volume 60, pages 318-319
Published in Journal für Ornithologie, in 1912, in volume 60, pages 320-321
Published in Journal für Ornithologie, in 1912, in volume 60, pages 322-324
Published in Journal für Ornithologie, in 1912, in volume 60, pages 325-364
Published in Journal für Ornithologie, in 1912, in volume 60, pages 365-410
Published in Journal für Ornithologie, in 1912, in volume 60, pages 410-428
Published in Journal für Ornithologie, in 1912, in volume 60, pages 429-470
Published in Journal für Ornithologie, in 1912, in volume 60, pages 470-480
Published in Journal für Ornithologie, in 1912, in volume 60, pages 481-494
Published in Journal für Ornithologie, in 1912, in volume 60, pages 494-495
Published in Journal für Ornithologie, in 1912, in volume 60, pages 495-498
Published in Journal für Ornithologie, in 1912, in volume 60, pages 499-500
Published in Journal für Ornithologie, in 1912, in volume 60, pages 500
Published in Journal für Ornithologie, in 1912, in volume 60, pages 501-529
Published in Journal für Ornithologie, in 1912, in volume 60, pages 529-569
Published in Journal für Ornithologie, in 1912, in volume 60, pages 592-619
Published in Journal für Ornithologie, in 1912, in volume 60, pages 619-620
Published in Journal für Ornithologie, in 1912, in volume 60, pages 630-632