Evolution or revolution? : the United Nations and the Problem of peaceful territorial change / Lincoln P. Bloomfield Bloomfield, Lincoln P., 1920- United Nations. League of Nations. Covenant. Article 19. [from old catalog] Peaceful change (International relations) JX1952 .B54 341.1 BLE Includes index. Cambridge : Harvard University Press, 1957. 1957. 1957 Text 220 p. eng