Global food interdependence : challenge to American foreign policy / Raymond F. Hopkins & Donald J. Puchala. Hopkins, Raymond F. Puchala, Donald James, 1939- joint author. Food supply. Food supply United States. Economic assistance, American. HD9000.5 .H66 338.1973 HOP Half title: Global food interdependence : challenge to United States policy. Includes bibliographical references and index. New York : Columbia University Press, 1980. 1980. 1980 Text xvi, 214 p. : eng United States.