Conant, Roger ,1909- <br/><br/>
A field guide to reptiles and amphibians of the United States and Canada east of the 100th meridian 
illustrated by Isabelle Hunt Conant 
 -  Houghton Mifflin Boston  1958  1958 
 - xv , 366 p. : ill.,plates (part col.)maps. ; 20 cm 
 - The Peterson field guide series  12 .
<br/><br/> Bibliography : p. 308-312 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles - North America<br/>Amphibia - North America--QL
<br/><br/><label>LC Class. No.: </label>QL651.C65F5