Sen, Asit Kumar. International relations since World War I. - 1st ed. - Delhi, S. Chand, 1967. - xv, 619 p. illus., 4 maps. 23 cm. LCCN: sa 67000504 Subjects--Topical Terms: International relations. LC Class. No.: JX1391 / .S4 Dewey Class. No.: 327.0904