Conant, Roger  1909-2003 <br/><br/>
A field guide to reptiles and amphibians of eastern and Central North America / 
by Roger Conant ; illustrated by Isabelle Hunt Conant. 
 - 2nd ed. -- 
 -- Boston :   Houghton Mifflin,   cop. 1975 
 - XVII, 428 p. -- 
 (The Peterson field guide series  ; 12).
<br/><br/>ISBN 0-395-19979-4.  0-395-19977-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anfibios<br/>Estados Unidos<br/>Reptiles
<br/><br/><label>Universal Decimal Class. No.: </label>597.6+598.1(74/75)