Hanson, John R. Trade in transition : exports from the Third World, 1840-1900 / John R. Hanson II. - New York : Academic Press, c1980. - xii, 197 p. ; 24 cm. - Studies in social discontinuity . Includes index. Bibliography: p. 183-187. ISBN: 0123234506 LCCN: 79006776 Subjects--Geographic Terms: Developing countries--Commerce--History. LC Class. No.: HF1413 / .H32 Dewey Class. No.: 382.6 / HAT 1980