Tumin, Melvin Marvin <br/><br/>
Social class and social change in Puerto Rico / 
by Melvin M. Tumin with Arnold S. Feldman. 
 - New Jersey :  Pricenton university press ,  1961. 
 - xxvi, 549 p. 
 - A Social Science Research Center study .
 - Puerto Rico.  University.  Social Science Research Center.  Social Science Research Center study. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social classes--Puerto Rico.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Social conditions--1952-
<br/><br/><label>Dewey Class. No.: </label>301.44/097295