Perloff, Harvey S., Puerto Rico's economic future a study in planned development Harvey S. Perloff. - Chicago, Ill. University of Chicago Press [1950]. - xviii, 435 p., [12] leaves of plates ill. Includes index. Bibliography: p. 413-416. ISBN: 0405062281 (ed. 1975) LCCN: 91014240 Subjects--Geographic Terms: Puerto Rico--Economic policy. LC Class. No.: HC157.P8 / P4 1950 Dewey Class. No.: 338.97295