Series contains records of Roberto E. Guyer dating mainly from his years as Under-Secretary-General for Special Political Affairs. Subject files concern Chile, Cyprus, Beirut, Lebanon, the Middle East, Rhodesia and Vietnam. Files pertaining to Margaret Joan Anstee (United Nations Development Programme Resident Representative in Chile) and the Economic Commission for Western Asia (ECWA) are included. Series also contains code cables relating to the United Nations Chief Co-ordinator, the United Nations Disengagement Observer Force (UNDOF), the United Nations Emergency Force (UNEF), the United Nations Interim Force in Lebanon (UNIFIL), the United Nations Truce Supervision Organization (UNTSO) and the United Nations Relief and Works Agency (UNRWA). Also included are registry files coded in a general (GEN) or political (POL) series; these files pertain to the Executive Office of the Secretary-General, human rights, the Office of Legal Affairs, hijacking, kidnapping, the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the People's Republic of China's entry into the United Nations. Records consist of correspondence, reports, statements, notes and code cables. The first ten files of the series, which contain memoranda from Sir Robert Jackson and miscellaneous code cables, are missing.