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. : ill., maps. ; 23 cm. - Prentice-Hall foundations of economic geography series . Includes bibliographical references and index Subjects--Topical Terms: CommerceInternational economic relations Dewey Class. No.: 382