Addendum to the report of the economic and social council : no 3A (A/6303) / United Nations. United Nations. Economic and Social Council. United Nations. United Nations. Economic and Social Council Periodicals. Economic development Periodicals. Economic development Social aspects Periodicals. Social history Periodicals. 330.6 UNA Latest issue consulted: 2011. Main series: United Nations. Document A. At head of title: General Assembly. Title varies slightly. New York : United Nations, 1967. 1967. 1967 Text Collection v. ; eng Official records. Supplement / United Nations, General Assembly