Weintraub, Sidney Trade preferences for less-developed countries : an analysis of United States policy / Sidney Weintraub. - New York : Praeger, c 1967. - xvi, 231 p. ; 24 cm. - Praeger special studies in international economics and development. . 400 400 Subjects--Topical Terms: Tariff -- United States. Dewey Class. No.: 338.973 / W738t