Thorbecke, Erik The tendency towards regionalization in international trade, 1928-1956 / Erik Thorbecke - The Hague : Martinus Nijhoff , 1960 - xiii, 223 p. : ill. ; 22 cm. Includes bibliographical references and index. Subjects--Topical Terms: International economicsCommerceHistory Dewey Class. No.: 382 / THO