Zimmerman, L. J.  1913-1998 <br/><br/>
Poor lands, rich lands :  the widening gap / 
L.J. Zimmerman. 
 - New York :  Random House,  1965. 
 - 170 pages :  illustrations ;  19 cm. 
 - Studies in economics (London, England)  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history--1945-
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries
<br/><br/><label>Dewey Class. No.: </label>330.9