Tumin, Melvin Marvin,    1919- <br/><br/>
Social class and social change in Puerto Rico /    
by Melvin M. Tumi n with Arnold S. Feldman. 
 - Princeton, N.J. :   Princeton University Press,   1961. 
 - xxvi, 549 p. :    tables ;    25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>60-012239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social classes--------
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Puerto Rico -- Social conditions.
<br/><br/><label>Dewey Class. No.: </label>301.44097295 TUM