Porto Rico and its problems.
Survey staff: Victor S. Clark, director, Charles L. Dearing, James A. Dickey, Frederick H. Newell ... [et al.].
- Washington, D.C. Brookings Institution 1930.
- xxxv, 707 p. illus. diagrs. 24 cm.
Puerto Rico Puerto Rico--Condiciones sociales. Puerto Rico--Política y gobierno--1808 - Puerto Rico--Condiciones económicas. Puerto Rico--Social conditions. Puerto Rico--Politics and government--1898-1952. Puerto Rico--Economic conditions.