Swarth on the Pacific Coast Races of Bewick's Wren
Swarth, Harry S. (Harry Schelwald), 1878-1935
Article
1916
The Auk
33
337--337
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/122992 DOI: https://doi.org/10.2307/4072353