Name
- Foreign Office, 1782-19683
- Government of Iran, Pahlavi dynasty, 1925-19792
- Administrator General of the Finances of Iran, 1942-19451
- Ambassador of France to the United Kingdom, Early 18th century-1
- British Consul General, Tabriz, Mid 20th century1
- British Consul, Isfahan, Early 20th century-Mid 20th century1
- British Consul, Tabriz, 19th century-Mid 20th century1
- British Embassy in Iran, Tehran, 1944-1
- Civil Commissioner, Mesopotamia, 1917-19201
- Colonial Office, 1854-19661
- Democratic Party of Azerbaijan, 1945-19461
- Fayṣal I, King of Iraq, 1885-19331
- General Headquarters, Mesopotamia Expeditionary Force, 1914-19201
- Government of the Union of Soviet Socialist Republics, 1923-19911
- HM Ambassador to France, 1814-19401
- HM Ambassador to Iran, 1807-19801
- HM Ambassador to Italy, 1876-1
- HM Ambassador to Soviet Russia, 1924-19911
- HM Ambassador to the United States of America, 1791-1
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century1