Name
- Foreign Office, 1782-196868
- Government of India, 1834-194739
- Persian Gulf Political Residency, 1822-197134
- British Legation, Tehran, c 1836-194425
- HM Treasury, 12th century-18
- Political Resident, Persian Gulf, 1822-197114
- Viceroy and Governor-General of India in Council, 1773-194713
- Government of India, Foreign and Political Department, 1783-193710
- Commonwealth Relations Office, 1947-19669
- Indian Political Service, External Affairs Department, 1937-19479
- HM Ambassador to Iran, 1807-19808
- Secretary of State for India, United Kingdom, 1858-19358
- British Consulate, Seistan and Kain, 1903?-1935?6
- High Commissioner to India, 1946-19506
- Ministry of Foreign Affairs, Iran, 1821-5
- Secretary of State for Foreign Affairs, 1782-19685
- Secretary of State for India and Burma, United Kingdom, 1935-19475
- Admiralty, 1708-19644
- British Consulate General, Khorasan, Late 19th century-Mid 20th century4
- Permanent Under-Secretary of State for India and Burma, 1935-19484