Newton's Dictionary of Birds: Part IV
Newton, Alfred, 1829-1907 Lydekker, Richard, 1849-1915
Article
1897
The Auk
14
234--244
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/125586 DOI: https://doi.org/10.2307/4068921