A field guide to the mammals: field marks of all North American species found north of Mexico.
Boston: Houghton Mifflin, (1976. third edition). Octavo, illustrations, softcover. More
Boston: Houghton Mifflin, (1976. third edition). Octavo, illustrations, softcover. More
Albuquerque: The University of New Mexico Press, 1967. Octavo, text illustrations, library stamp, softcover. University of New Mexico publications in biology number seven. More
Santa Fe: Museum of New Mexico Press, 1963. Quarto, wrappers, photographs, maps, signature. Museum of New Mexico Papers in Anthropology, number eight. More
Tuscon: University of Arizona Press, 2003. Octavo, colour photographs, other illustrations, softcover. The Mexican Gray Wolf was hunted to near extinction until one woman took on the challenge of restoring it to its natural habitat. This book tells her story and documents her eleven year effort to bring the wolf..... More
New York: Oxford University Press, 1997. Octavo, 48 colour plates, maps. More
Mexico: Universidad Nacional Autonoma de Mexico, Instituto de Biologia, 1966. Octavo, photographs, text illustrations, stamp, softcover. In Spanish. More