Name
- Foreign Office, 1782-1968246
- HM Ambassador to Iran, 1807-198093
- British Legation, Tehran, c 1836-194475
- Political Resident, Persian Gulf, 1822-197173
- Secretary of State for Foreign Affairs, 1782-196865
- Government of Iran, Pahlavi dynasty, 1925-197963
- Government of India, Foreign and Political Department, 1783-193747
- Colonial Office, 1854-196642
- Viceroy and Governor-General of India in Council, 1773-194740
- Admiralty, 1708-196425
- Government of Persia, Qājār dynasty, 1794-192525
- Government of India, 1834-194724
- High Commissioner, Iraq, 1920-193223
- High Commissioner, Egypt, 1914-193622
- British Bank of Iran and the Middle East, 1889-195219
- Political Resident, Aden, 1854-193219
- Anglo-Iranian Oil Company Limited, 1909-195418
- HM Ambassador to Russia, 1801-192217
- Secretary of State for India, United Kingdom, 1858-193517
- HM Ambassador to Iraq, 1932-16