Harding, Keith A. <br/><br/>
Catalogue of New World amphibians / 
Keith A. Harding 
 - Oxford :  Pergamon Press,  1983 
 - 406 p. ;  23 cm. 
<br/><br/>Bibliography : p. 289-345 
<br/><br/><label>ISBN: </label>0080288995 
<br/><br/><label>LCCN: </label>83-012131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians--United States