Schwartz, Melvin <br/><br/>
Exploring a changing world /  
Melvin Schwartz & John R. O’Connor. 
 - 2nd ed.  
 - New York:   Globe Book Company,   [1968]. 
 - 565 p.:   ill (b&w), maps;   27 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial geography.<br/>Economic geography. 
<br/><br/><label>Dewey Class. No.: </label>GC 909 S399 1968