Name
- Foreign Office, 1782-1968256
- HM Ambassador to Iran, 1807-198081
- British Legation, Tehran, c 1836-194474
- Political Resident, Persian Gulf, 1822-197173
- Government of Iran, Pahlavi dynasty, 1925-197964
- Secretary of State for Foreign Affairs, 1782-196860
- Government of India, Foreign and Political Department, 1783-193748
- Government of India, 1834-194739
- Viceroy and Governor-General of India in Council, 1773-194738
- Colonial Office, 1854-196637
- Government of Persia, Qājār dynasty, 1794-192537
- Admiralty, 1708-196427
- High Commissioner, Egypt, 1914-193620
- British Bank of Iran and the Middle East, 1889-195219
- High Commissioner, Iraq, 1920-193219
- Political Resident, Aden, 1854-193219
- Anglo-Iranian Oil Company Limited, 1909-195417
- Government of Bombay, Political Department, 1754-1934?17
- HM Ambassador to Russia, 1801-192217
- Secretary of State for India, United Kingdom, 1858-193517