1. FCO 8/2010, Political Relationship between Oman and United States, File No. NBM 3/304/1, 1973.
2. FCO 8/2022, Defense Attaches Report on Oman and Intelligence Reports, File No. NBM 10/19, 1973.
3. FCO 8/1950, Discussions Between United Kingdom and United States on The Persian Gulf, File No. NB 2/2, 1973.
4. Public Papers of the Presidents of the United States: James E. Carter, Jr., June 23 to December 31, 1979, Book II, Washington, 1980.
5. Foreign Relations of the United States, Middle East Region and Arabian Peninsula, 1969–1972; Jordan, September 1970, Vol. XXIV, Government Printing Office, Washington, 2008.