Simon, Hilda, Easy identification guide to North American snakes / [print] Hilda Simon ; design and illustrations by the author. - New York : Dodd, Mead, (c)1979. - 128 pages : color illustrations ; 21 cm. ISBN: 9780396077718 LCCN: 79055263 Subjects--Topical Terms: Snakes--United States--Identification.Reptiles--Identification.Reptiles--United States--Identification. LC Class. No.: QL666 QL666.S594.E279 1979