Burt, William Henry, 1903-1987. A field guide to the mammals : : field marks of all North American species found north of Mexico / [electronic resource] / text and maps by William Henry Burt ; ill. by Richard Philip Grossenheider ; sponsored by the National Audubon Society and National Wildlife Federation.. — 3d ed.. — Boston : : Houghton Mifflin,, 1976.. — xxv, 289 p., [28] leaves of plates : : ill. ; 19 cm. - The Peterson field guide series ; 5.
Includes bibliographical references (p. 271-276) and index.