A Drop of Four Thousand Feet
Bailey, Florence Merriam, 1863-1948
Article
1911
The Auk
28
219--225
BioStor
English
Washington, D.C, American Ornithologists' Union, etc, 1884-
BioStor: https://biostor.org/reference/124887 DOI: https://doi.org/10.2307/4071437