Shufeldt's 'Comparative Oölogy of North American Birds'
Shufeldt, Robert Wilson 1850-1934
Article
1894
The Auk
11
314--315
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/125288 DOI: https://doi.org/10.2307/4068603