The public and American foreign policy, 1918-1978 / by Ralph B. Levering. Levering, Ralph B. Foreign Policy Association. Public opinion United States. 327.73 LEP Includes index. Bibliography: p. [179]-186. New York : Published for the Foreign Policy Association by Morrow, 1978. 1978. 1978 Text 192 p. : eng United States Foreign relations 20th century Public opinion. United States.