National Audubon Society field guide to North American reptiles and amphibians. 

 - NY:  Alfred A. Knopf,  1995. 
<br/><br/><label>ISBN: </label>0394508346 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Reptiles--North America.<br/>Amphibians--North America.<br/>Reptiles--Identification.<br/>Amphibians--Identification.
<br/><br/><label>Dewey Class. No.: </label>598.109