United Nations documents index : December 1971, vol-22, no. 12 / United Nations Library (New York, N.Y.). Documents Index Unit. United Nations Bibliography Periodicals. International Agencies bibliography. International cooperation Bibliography. JX1977 .A2 015 UNU "ST/LIB/SER.E." Prepared by the Documents Index Unit of the United Nations Library, Jan. 1950-Dec. 1962; by the Index Section of the Dag Hammarskjold Library, United Nations, Jan. 1963-May 1969; and by the Documentation Division of the Dag Hammarskjold Library, June 1969-Dec. 1973. Superseded by: UNDEX. United Nations documents index. Series A: Subject index; and: UNDEX. United Nations documents index. Series B: Country index; and: UNDEX. United Nations documents index. Series C: List of documents issued. New York : United Nations. 1972. 1972. 1972 Text Collection V. ; eng