TY  - BOOK
AU  - Tumin,Melvin Marvin
AU  - Feldman, Arnold S.
TI  - Social class and social change in Puerto Rico
T2  - A Social Science Research Center study
U1  - 301.44/097295 
PY  - 1961///
CY  - New Jersey
PB  - Pricenton university press
KW  - Social classes
KW  - Puerto Rico
KW  - Local
KW  - Social conditions
KW  - 1952-
N1  - Includes bibliographical references
ER  -