Wagenheim, Kal. Puerto Rico a profile Kal Wagenheim ; foreword by Piri Thomas. - 2d ed. - New York Praeger 1975. - xv, 294 p., [4] leaves of plates ill. 20 cm. - Praeger university series ; U-843 . Includes index. Bibliography: p. 279-288. ISBN: 0275336700 0275852504 10.00. 3.95 LCCN: 74030999 Subjects--Geographic Terms: Puerto Rico LC Class. No.: F1958 / .W3 1975 Dewey Class. No.: 972.95