Chapman's 'Color Key to North American Birds'
Chapman, Frank M. (Frank Michler), 1864-1945
Article
1913
The Auk
30
442--442
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121043 DOI: https://doi.org/10.2307/4071690