- Livre électroniqueEvolution and Classification of the Pocket Gophers of the Subfamily GeomyinaeRobert J. Russell
- Livre électroniqueEvolution and Classification of the Pocket Gophers of the Subfamily GeomyinaeRobert J. Russell
- Livre électroniqueEvolution and Classification of the Pocket Gophers of the Subfamily GeomyinaeRobert J. Russell
- Livre électroniqueGeographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila MexicoRollin H. (Rollin Harold) Baker
- Livre électroniquePleistocene Pocket Gophers From San Josecito Cave, Nuevo Leon, MexicoRobert J. Russell
- Livre électroniqueFour New Pocket Gophers of the Genus Cratogeomys from Jalisco, MexicoRobert J. Russell
- Livre électroniqueA New Species of Pocket Gopher (Genus Pappogeomys) From Jalisco, MexicoRobert J. Russell