Gätke's Birds of Heligoland
Article
1896
The Auk
13
89--92
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124847 DOI: https://doi.org/10.2307/4068778
Public domain. The BHL considers that this work is no longer under copyright protection.
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