Witherby's 'Handbook of British Birds'
Witherby, H. F. (Harry Forbes), 1873-1944
Article
1920
The Auk
37
472--472
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124415 DOI: https://doi.org/10.2307/4073308