LONDON ED. PUBLISHED IN 1969 HAS TITLE: INTERNATIONAL ORGANISATION: WORLD POLITICS. "PAPERS ... ORIGINALLY PREPARED EITHER FOR A ROUND TABLE ON THE POLITICAL ROLE OF INTERNATIONAL ECONOMIC ORGANISATION CONVENED UNDER THE AUSPICES OF THE INTERNATIONAL POLITICAL SCIENCE ASSOCIATION AT GRENOBLE, SEPTEMBER 1966, OR FOR THE SAME ITEM ON THE AGENDA OF THE I.P.S.A. CONGRESS IN BRUSSELS, SEPTEMBER 1967. THE AUTHORS HAVE IN MANY CASES REVISED THEM IN THE LIGHT OF DISCUSSIONS AND COMMENT."