Prepared by the Documents Index Unit of the United Nations Library, Jan. 1950-Dec. 1962; by the Index Section of the Dag Hammarskjöld Library, United Nations, Jan. 1963-May 1969; and by the Documentation Division of the Dag Hammarskjöld 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Superseded by: UNDEX.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.