Conant, Roger,  1909-, <br/><br/>
A field guide to reptiles and amphibians of eastern and central north america / 
Ilus by i. h. conant. 
 - 2 
 - 429 páginas 
 - The peterson field guide series ;  12 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles--America del Norte<br/>Anfibios--Identificacion<br/>Reptiles--Identificacion<br/>Anfibios--America del Norte
<br/><br/><label>LC Class. No.: </label>QL651  / C65 1975