00643nam a2200181Ia 4500 0000006151 20251012174448.0 731212s1966 nyua b 000 0 eng nwpr--- HN233.5 .B6 301.35097295 Thirty years of change in Puerto Rico; a case study of ten selected rural areas [by] Dorothy Dulles Bourne and James R. Bourne. New York, F. A. Praeger [1966] xxvi, 411 p illus 25 cm. Bibliography: p. 403-411. Community development Puerto Rico Case studies. Puerto Rico Social conditions 1952- 4007 4007