Thoman, Richard S., 1919- Geography of international trade by Richard S. Thoman [and] Edgar C. Conkling. - Englewood Cliffs, N.J. : Prentice-Hall, 1967. - 186 p. : illus., maps. 23 cm. - Prentice-Hall foundations of economic geography series. . Includes index. Bibliography: p. 184-186. Subjects--Topical Terms: Commerce.International economic relations. Dewey Class. No.: 337 / THG 1967