Published in Journal für Ornithologie, in 1920, in volume 68, pages 1-32
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 33-70
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 70-77
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 79-82
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 84-85
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 85-148
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 89-95
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 96
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 124-156
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 156-175
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 175-177
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 177-188
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 188-235
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 236-241
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 244
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 245-272
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 272-291
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 292-308
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 308-325
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 326-340
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 341-344
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 344-350
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 350-388
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 388-389
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 390-392
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 392-397
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 397-399
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 401-402
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Published in Journal für Ornithologie, in 1920, in volume 68, pages 402-403
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1920, in volume 68, pages 403-405
Created: 2014-09-04, modified: 2014-09-04