VI.—Observations on the classification of birds
Shufeldt, Robert Wilson 1850-1934
Article
1899
The Annals and magazine of natural history; zoology, botany, and geology
4
Series: 7
101--111
BioStor
English
London Taylor and Francis, Ltd
BioStor: https://biostor.org/reference/87004 DOI: https://doi.org/10.1080/00222939908678168