Doerr, Arthur H. <br/><br/>
Principles of physical geography  / 
Arthur H. Doerr, J. L. Guernsey. 
 - 2nd ed. 
 - Woodbury, New York :  Barron's Educational Series,  1964. 
 - 243 p. :  ill., maps. 
<br/><br/><label>ISBN: </label>0812006313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography--Textbooks--1945-