Published in Journal für Ornithologie, in 1903, in volume 51, pages 1-40
Published in Journal für Ornithologie, in 1903, in volume 51, pages 41-51
Published in Journal für Ornithologie, in 1903, in volume 51, pages 126-128
Published in Journal für Ornithologie, in 1903, in volume 51, pages 136-138
Published in Journal für Ornithologie, in 1903, in volume 51, pages 140-142
Published in Journal für Ornithologie, in 1903, in volume 51, pages 142-143
Published in Journal für Ornithologie, in 1903, in volume 51, pages 157-160
Published in Journal für Ornithologie, in 1903, in volume 51, pages 161-231
Published in Journal für Ornithologie, in 1903, in volume 51, pages 231-256
Published in Journal für Ornithologie, in 1903, in volume 51, pages 257-258
Published in Journal für Ornithologie, in 1903, in volume 51, pages 270-288
Published in Journal für Ornithologie, in 1903, in volume 51, pages 289-301
Published in Journal für Ornithologie, in 1903, in volume 51, pages 301-304
Published in Journal für Ornithologie, in 1903, in volume 51, pages 304
Published in Journal für Ornithologie, in 1903, in volume 51, pages 305-306
Published in Journal für Ornithologie, in 1903, in volume 51, pages 306-307
Published in Journal für Ornithologie, in 1903, in volume 51, pages 307-309
Published in Journal für Ornithologie, in 1903, in volume 51, pages 309-312
Published in Journal für Ornithologie, in 1903, in volume 51, pages 313-393
Published in Journal für Ornithologie, in 1903, in volume 51, pages 394-404
Published in Journal für Ornithologie, in 1903, in volume 51, pages 405-407
Published in Journal für Ornithologie, in 1903, in volume 51, pages 407-417
Published in Journal für Ornithologie, in 1903, in volume 51, pages 417-419
Published in Journal für Ornithologie, in 1903, in volume 51, pages 421-439
Published in Journal für Ornithologie, in 1903, in volume 51, pages 440-507
Published in Journal für Ornithologie, in 1903, in volume 51, pages 507-514
Published in Journal für Ornithologie, in 1903, in volume 51, pages 515-527
Published in Journal für Ornithologie, in 1903, in volume 51, pages 527-539
Published in Journal für Ornithologie, in 1903, in volume 51, pages 539-542
Published in Journal für Ornithologie, in 1903, in volume 51, pages 542-543
Published in Journal für Ornithologie, in 1903, in volume 51, pages 545-547