Notes on Some Birds of the Maryland Alleghanies; An Anomaly in the Check-List
Eifrig, Charles William Gustav 1871-1949
Article
1915
The Auk
32
108--110
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/123702 DOI: https://doi.org/10.2307/4071636