Name
- British Legation, Tehran, c 1836-19443
- Government of Iran, Pahlavi dynasty, 1925-19792
- Shah of Iran, Pahlavi dynasty, 1925-19792
- Anglo-Iranian Oil Company Limited, 1909-19541
- British Legation, Berne, Early 20th century-Mid 20th century1
- Byron, Robert, traveller and writer, 1905-19411
- Foreign Office, 1782-19681
- Government of the Russian Soviet Federative Socialist Republic, 1917-19221
- HM Ambassador to France, 1814-19401
- HM Ambassador to the Republic of Turkey, 1920-1
- HM Ambassador to the United States of America, 1791-1
- League of Nations, 1920-19461
- Minister for Foreign Affairs, Iran, 1821-1
- United States Ambassador to Iran, c 1883-19791
- United States Ambassador to the United Kingdom, 1785-1
- United States Federal Government, 1789-1