Notes on the Peucæa ruficeps Group, with Description of a New Subspecies
Article
1888
The Auk
5
40--42
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124369 DOI: https://doi.org/10.2307/4067356