Name
- Foreign Office, 1782-196811
- HM Ambassador to Iran, 1807-19808
- Governor of Baghdad, c 1638-c 19176
- Political Agent, Turkish Arabia, 1812-18926
- Political Resident, Persian Gulf, 1822-19716
- Government of India, Foreign and Political Department, 1783-19375
- Government of the Ottoman Empire, 13th century-20th century5
- HM Ambassador to the Ottoman Empire, 1583-19145
- Colonial Office, 1854-19664
- Indian Political Service, External Affairs Department, 1937-19473
- British Consul, Seistan and Kain, 1903?-1935?2
- Commonwealth Relations Office, 1947-19662
- HM Treasury, 12th century-2
- King of Bahrain, 1783-2
- Persian Gulf Political Residency, 1822-19712
- Prime Minister to the Shah of Persia, Qajar dynasty, 1794-19252
- War Office, 1857-19642
- Agent to the Governor-General, Resident and Chief Commissioner, Baluchistan, 1876-19471
- Anglo-Iranian Oil Company Limited, 1909-19541
- British Bank of Iran and the Middle East, 1889-19521