Name
- Foreign Office, 1782-1968949
- Political Resident, Persian Gulf, 1822-1971625
- HM Ambassador to Iran, 1807-1980552
- Government of India, 1834-1947391
- East India Company Envoy to Persia, 1826-1836322
- HM Chargé d'Affaires to Persia, 1815-1826305
- Government of India, Foreign and Political Department, 1783-1937284
- Secretary of State for Foreign Affairs, 1782-1968269
- Viceroy and Governor-General of India in Council, 1773-1947263
- Persian Gulf Political Residency, 1822-1971243
- Crown Prince of Persia, Qajar dynasty, 1785-1925226
- British Legation, Tehran, c 1836-1944224
- Shāh of Persia, Qājār dynasty, 1794-1925214
- Indian Political Service, External Affairs Department, 1937-1947187
- Colonial Office, 1854-1966182
- Government of Persia, Qājār dynasty, 1794-1925180
- East India Company, Court of Directors, Secret Committee, 1683?-1857172
- Political Agent, Aden, 1839-1854167
- Resident, Baghdad, 1798-1810166
- Governor of Baghdad, c 1638-c 1917143