A preliminary analysis of the Herpetofauna of Sonora.
New York: American Museum of Natural History, 1940. Quarto, photographs, softcover.
Bulletin of the American Museum of Natural History, volume 83, article six.
New York: American Museum of Natural History, 1940. Quarto, photographs, softcover.
Bulletin of the American Museum of Natural History, volume 83, article six.