Some Additional Eastern Records of Swainson's Hawk (Buteo swainsoni)
Brewster, William, 1851-1919
Article
1893
The Auk
10
82--83
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/123481 DOI: https://doi.org/10.2307/4067916