Knorr, Klaus, 1911-1990. Contending approaches to international politics / edited by Klaus Knorr and James N. Rosenau. - Princeton, N.J., Princeton University Press, 1969. - 297 p. 23 cm. "Published for the Princeton Center of International Studies." Bibliographical footnotes. LCCN: 68027404 Subjects--Topical Terms: International relations--Study and teaching. Dewey Class. No.: 327.11 / KNC 1969