Notes on Recognition Marks in Certain Species of Birds
Nichols, John T. (John Treadwell), 1883-1958
Article
1912
The Auk
29
44--48
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121992 DOI: https://doi.org/10.2307/4071214