Volume XXVI of the British Museum Catalogue of Birds
Sharpe, Richard Bowdler, 1847-1909 Ogilvie-Grant, W. R. (William Robert), 1863-1924
Article
1899
The Auk
16
198--203
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/122806 DOI: https://doi.org/10.2307/4069576