Goin, Coleman J. Introduction to herpetology / Coleman J. Goin and Olive B. Goin. - 2nd ed. - San Francisco: W. H. freeman, c 1971. - xi,353 p. : ill. ; 24 cm. Includes index. 344 344 Subjects--Topical Terms: Amphibians --Reptiles. Dewey Class. No.: 568.1 / G561i