FCO 81967-1997Foreign Office and Foreign and Commonwealth Office: Arabian Department and Middle East Department: Registered Files (B and NB Series)
This series contains records of the Arabian Department, of the Foreign Office to October 1968, and thereafter of the Foreign and Commonwealth Office, dealing with UK relations with Aden and the Yemen, Bahrain, Muscat and Oman, Kuwait, Qatar, Saudi Arabia, and the Trucial States of the Persian Gulf, later the United Arab Emirates (Dubai, Ras al Khaimah, Fujairah, Abu Dhabi, Sharjah, Umm al Qawain and Ajman).
From April 1972, the records in the NB series are those of the Middle East Department, dealing with UK relations with the states previously the responsibility of the Arabian Department and, additionally, with the Central Treaty Organisation, Iran and Iraq.