Name
- Foreign Office, 1782-19686
- British Legation, Tehran, c 1836-19444
- Government of Iran, Pahlavi dynasty, 1925-19794
- HM Ambassador to Iran, 1807-19803
- British Bank of Iran and the Middle East, 1889-19522
- Colonial Office, 1854-19662
- Government of India, Foreign and Political Department, 1783-19372
- Imperial Iranian Army, 1925-19792
- Indian Political Service, External Affairs Department, 1937-19472
- Petroleum Division, 1929-19702
- Political Resident, Persian Gulf, 1822-19712
- Royal Navy, Commander-in-Chief, East Indies Station, 1865-19412
- Secretary of State for Foreign Affairs, 1782-19682
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19702
- Aden Protectorate Levies, 1928-19671
- Admiralty, 1708-19641
- Adviser to the Government of Bahrain, 1926-19571
- Aga Farrukh Shah, d 19161
- Air Ministry, 1918-19641
- Anglo-Iranian Oil Company Limited, 1909-19541