Franklin's Gull (Larus franklini) at Philadelphia
Stone, Witmer. 1866-1939
Article
1912
The Auk
29
99--100
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/122273 DOI: https://doi.org/10.2307/4071220