Cooke's Birds of Colorado
Cooke, Wells W. (Wells Woodbridge), 1858-1916
Article
1897
The Auk
14
331--332
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121250 DOI: https://doi.org/10.2307/4068675