Additions to the avifauna of the Pribilof Islands, Alaska, including four species new to North Americav. 37No. 2American Ornithologists’ Union248–254
Hanna. G. Dallas. 1920. "Additions to the avifauna of the Pribilof Islands, Alaska, including four species new to North America." The Auk, 37, (2) 248–254.