Gillin, J. JULIAN H. STEWARD, ROBERT A. MANNERS, ERICK WOLF, ELENA PAnILLA SEDA, SIDNEY W. MINTZ Y RAYMONID L. SCHEELE. The People of Puerto Rico: A Study in Saciar Anthropology. Urbana: University of Illinois Press, 1956. 540 págs. RCS 1957, 345-348.