Published in Journal für Ornithologie, in 1897, in volume 45, pages 93-95

Published in Journal für Ornithologie, in 1897, in volume 45, pages 84-93

Published in Journal für Ornithologie, in 1897, in volume 45, pages 52-57

Published in Journal für Ornithologie, in 1897, in volume 45, pages 76-83

Published in Journal für Ornithologie, in 1897, in volume 45, pages 1-51

Published in Journal für Ornithologie, in 1897, in volume 45, pages 104

Published in Journal für Ornithologie, in 1897, in volume 45, pages 178-183

Published in Journal für Ornithologie, in 1897, in volume 45, pages 193-195

Published in Journal für Ornithologie, in 1897, in volume 45, pages 172-173

Published in Journal für Ornithologie, in 1897, in volume 45, pages 174-178

Published in Journal für Ornithologie, in 1897, in volume 45, pages 105-141

Published in Journal für Ornithologie, in 1897, in volume 45, pages 196-197

Published in Journal für Ornithologie, in 1897, in volume 45, pages 183-190

Published in Journal für Ornithologie, in 1897, in volume 45, pages 197-200

Published in Journal für Ornithologie, in 1897, in volume 45, pages 190-193

Published in Journal für Ornithologie, in 1897, in volume 45, pages 195-196

Published in Journal für Ornithologie, in 1897, in volume 45, pages 142-154

Published in Journal für Ornithologie, in 1897, in volume 45, pages 349-359

Published in Journal für Ornithologie, in 1897, in volume 45, pages 359-361

Published in Journal für Ornithologie, in 1897, in volume 45, pages 201-224

Published in Journal für Ornithologie, in 1897, in volume 45, pages 362-364

Published in Journal für Ornithologie, in 1897, in volume 45, pages 361-362

Published in Journal für Ornithologie, in 1897, in volume 45, pages 225-348

Published in Journal für Ornithologie, in 1897, in volume 45, pages 524-533

Published in Journal für Ornithologie, in 1897, in volume 45, pages 533-535

Published in Journal für Ornithologie, in 1897, in volume 45, pages 365-479

Published in Journal für Ornithologie, in 1897, in volume 45, pages 520-524

Published in Journal für Ornithologie, in 1897, in volume 45, pages 480-498

Published in Journal für Ornithologie, in 1897, in volume 45, pages 499-520