A Study of the Genus Macrorhamphus
Howe, Reginald Heber, Jr. 1875-1932
Article
1901
The Auk
18
157--162
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124831 DOI: https://doi.org/10.2307/4069500