Published in Journal für Ornithologie, in 1894, in volume 42, pages 1-28

Published in Journal für Ornithologie, in 1894, in volume 42, pages 81-88

Published in Journal für Ornithologie, in 1894, in volume 42, pages 89-93

Published in Journal für Ornithologie, in 1894, in volume 42, pages 96-103

Published in Journal für Ornithologie, in 1894, in volume 42, pages 103-104

Published in Journal für Ornithologie, in 1894, in volume 42, pages 105-107

Published in Journal für Ornithologie, in 1894, in volume 42, pages 107-109

Published in Journal für Ornithologie, in 1894, in volume 42, pages 110-112

Published in Journal für Ornithologie, in 1894, in volume 42, pages 113-116

Published in Journal für Ornithologie, in 1894, in volume 42, pages 117-130

Published in Journal für Ornithologie, in 1894, in volume 42, pages 131-135

Published in Journal für Ornithologie, in 1894, in volume 42, pages 136-155

Published in Journal für Ornithologie, in 1894, in volume 42, pages 162-171

Published in Journal für Ornithologie, in 1894, in volume 42, pages 227-228

Published in Journal für Ornithologie, in 1894, in volume 42, pages 229-231

Published in Journal für Ornithologie, in 1894, in volume 42, pages 232-233

Published in Journal für Ornithologie, in 1894, in volume 42, pages 233-234

Published in Journal für Ornithologie, in 1894, in volume 42, pages 235-236

Published in Journal für Ornithologie, in 1894, in volume 42, pages 280-290

Published in Journal für Ornithologie, in 1894, in volume 42, pages 347-348

Published in Journal für Ornithologie, in 1894, in volume 42, pages 348-350

Published in Journal für Ornithologie, in 1894, in volume 42, pages 350

Published in Journal für Ornithologie, in 1894, in volume 42, pages 416-425

Published in Journal für Ornithologie, in 1894, in volume 42, pages 426-442

Published in Journal für Ornithologie, in 1894, in volume 42, pages 443-444

Published in Journal für Ornithologie, in 1894, in volume 42, pages 444-445