Contending approaches to international politics / edited by Klaus Knorr and James N. Rosenau. Knorr, Klaus, 1911-1990. Rosenau, James N., joint author. Woodrow Wilson School of Public and International Affairs. Center of International Studies. International relations Study and teaching. JX1291 .K6 327 KNC "Published for the Princeton Center of International Studies." Bibliographical footnotes. Princeton, N.J. : Princeton University Press, 1969. 1969. 1969 Text 297 p. ; eng