Name
- Foreign Office, 1782-19689
- Political Resident, Persian Gulf, 1822-19719
- Indian Political Service, External Affairs Department, 1937-19474
- Secretary of State for India and Burma, United Kingdom, 1935-19474
- Government of India, 1834-19473
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19703
- Admiralty, 1708-19642
- British Legation, Tehran, c 1836-19442
- Government of India, Foreign and Political Department, 1783-19372
- HM Ambassador to Iran, 1807-19802
- HM Treasury, 12th century-2
- Political Agent, Kuwait, 1904-19612
- Air Ministry, 1918-19641
- Airwork Limited, 1928-19881
- British Legation, Baghdad, 1920?-1932?1
- British Middle East Office, 1945-19611
- Civil Commissioner, Mesopotamia, 1917-19201
- Commonwealth Relations Office, 1947-19661
- Foreign Office, Eastern Department, 1886-19681
- Government of India, Marine Department, Early 20th century1