The fourth dimension of foreign policy; educational and cultural affairs, by Philip H. Coombs. - [1st ed.] - New York, Published for the Council on Foreign Relations by Harper & Row [1964] - xvi, 158 p. (p. 157-158 advertisements 22 cm. Bibliographical footnotes. Subjects--Topical Terms: Educational exchanges--United States. Subjects--Geographic Terms: United States--Foreign relations. LC Class. No.: JX1407 / .C65