Series consists of cables, aide-memoires, agenda, handwritten notes, rules of procedure, drafts, minutes of meetings, press releases, Security Council resolutions, minutes of conferences, reports, letters, memoranda, newspaper clippings, situation reports, press statements, General Assembly documents, and General Assembly resolutions. Subjects include but are not limited to the following: nuclear weapons; chemical and biological warfare; proposed germ warfare ban; proposed nuclear test ban treaties; nuclear strategies; Strategic Arms Limitations Talks (SALT); Conference of Eighteen-nation Committee on Disarmament; Conference of Non-Nuclear Weapons States; Treaty on the Non-Proliferation of Nuclear Weapons; International Atomic Energy Agency; "Security Without Nuclear Weapons," a paper by Duncan Sandys; economic and social consequences of the arms race and weapons spending; and General Assembly Resolution 1664 (XVI), which suggested that non-nuclear weapons producing states should agree to continue not producing or buying nuclear weapons. Correspondents include U Thant, Secretary-General; Alexei E. Nesterenko, Under-Secretary for Political and Security Council Affairs; M.A. Vellodi, Deputy to the Under-Secretary, Political and Security Council Affairs; M.A. Vellodi, Director, Department of Political and Security Council Affairs; L.N. Kutakov, Under-Secretary for Political and Security Council Affairs; C.V. Narasimhan, Under Secretary-General for General Assembly Affairs and Chef de Cabinet; Jose Rolz-Bennett, Under Secretary-General for Special Political Affairs; M.E. Chacko, Officer-in-Charge, Department of Political and Security Council Affairs; Omar Loutfe; V.P. Suslov, Under-Secretary, Political and Security Council Affairs; William Epstein, Deputy Special Representative of the Secretary-General, European Office of the UN; D. Protitch, Special Representative of the Secretary-General to the Eighteen-Nation Committee on Disarmament; Pier P. Spinelli, Director-General of United Nations Office in Geneva; Phillippe de Seynes, Under-Secretary for Economic and Social Affairs; William Epstein, Director, Disarmament Affairs Division, Department of Political and Security Council Affairs; Constantin A. Stavropoulos, Legal Counsel; and Ilkka Pastinen, Special Representative of the Secretary-General to the Conference of the Committee on Disarmament. Files are arranged by subject in a loose chronological order. U Thant was Secretary-General from 1961 to 1971.