Clark on the Pterylography of North American Goatsuckers and Owls
Clark, Hubert Lyman, 1870-1947
Article
1895
The Auk
12
287--288
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124424 DOI: https://doi.org/10.2307/4068300
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