Intrageneric relationships among colubrid snakes of the genus Geophis Wagler.
Ann Arbor: Museum of Zoology, University of Michigan, 1967. Octavo, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 131. More
Ann Arbor: Museum of Zoology, University of Michigan, 1967. Octavo, softcover. Miscellaneous Publications, Museum of Zoology, University of Michigan, No. 131. More
New York: American Museum of Natural History, 1958. Large quarto, photographs, text illustrations. Binder's cloth, publisher's wrappers retained, a fine copy. Bulletin of the American Museum of Natural History, volume 114, article one. More
Ithaca: SSAR Publications, 1997. Quarto, cloth, folding table. Introduction by Robert Mertens. More
Lawrence: University of Kansas, 1970. Octavo, photographs, softcover. University of Kansas Museum of Natural History, volume 20, number two. More
Chicago: Chicago Natural History Museum, 1965. Octavo, text illustrations. modern, quarter morocco, wrappers retained, a fine copy. Fieldiana Zoology Volume 49. More
Lawrence, Kansas: University of Kansas, 1935. Octavo, black and white photographic plates, text illustrations. Bound in cloth with lettered spine, bookplate, signature, a good copy. The Kansas University Science Bulletin: Volume XXIII. More