Name
- Foreign Office, 1782-19685
- British Legation, Tehran, c 1836-19442
- Government of India, Foreign and Political Department, 1783-19372
- HM Treasury, 12th century-2
- Political Agent, Bahrain, 1905-19712
- United States Ambassador to Iraq, 1931-2
- Colonial Office, 1854-19661
- Embassy to the United Kingdom, United States, London, 1893-1
- Government of India, 1834-19471
- HM Ambassador to Iran, 1807-19801
- HM Ambassador to Iraq, 1932-1
- HM Ambassador to Poland, 1929-1
- High Commissioner, Iraq, 1920-19321
- Indian Political Service, External Affairs Department, 1937-19471
- Iraqi Legation, Tehran, Early 20th century-Mid 20th century1
- Levant Consular Service, 19th century-Late 20th century1
- Minister for Foreign Affairs, Iran, 1821-1
- Ministry of Information, 1939-19461
- Permanent Under-Secretary of State for Foreign Affairs, 1790-19681
- Permanent Under-Secretary of State for India, 1858-19351