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On the birds of Cayenne
Published in Novit. zool., in 1908, in volume 15, pages 103-164
Created: 2012-11-18, modified: 2012-11-18
Revision der Tanagriden
Published in Verhandlungen des V. Internationalen Ornithologen-Kongresses in Berlin 30. Mai bis 4. Juni 1910, in 1911, in volume 5, pages 1001-1161
Created: 2015-09-02, modified: 2015-09-02
Ueber Chrysotis brasiliensis
Published in Journal für Ornithologie, in 1891, in volume 39, pages 363-366
Created: 2014-09-04, modified: 2014-09-04
Die Erebien der Oberstdorfer Täler
Published in Mitteilungen der Münchner Entomologischen Gesellschaft, in 1916, in volume 7, pages 64-68
Created: 2016-09-15, modified: 2016-09-15
Ornithologische Notizen
Published in Journal für Ornithologie, in 1854, in volume 2, pages 85-88
Created: 2014-09-04, modified: 2014-09-04
Ornithologische Miscellen
Published in Journal für Ornithologie, in 1856, in volume 4, pages 75-84
Created: 2014-09-04, modified: 2014-09-04
Otis tetrax L
Published in Journal für Ornithologie, in 1919, in volume 67, pages 123-126
Created: 2014-09-04, modified: 2014-09-04