Sharpe and Wyatt's Monograph of the Swallows
Sharpe, Richard Bowdler, 1847-1909
Article
1895
The Auk
12
373--375
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/121971 DOI: https://doi.org/10.2307/4068948
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