Name
- Foreign Office, 1782-1968237
- HM Ambassador to Iran, 1807-198095
- British Legation, Tehran, c 1836-194475
- Political Resident, Persian Gulf, 1822-197175
- Secretary of State for Foreign Affairs, 1782-196869
- Government of Iran, Pahlavi dynasty, 1925-197962
- Government of India, Foreign and Political Department, 1783-193747
- Viceroy and Governor-General of India in Council, 1773-194740
- Colonial Office, 1854-196637
- Government of India, 1834-194733
- Government of Persia, Qājār dynasty, 1794-192532
- Admiralty, 1708-196424
- HM Ambassador to the Ottoman Empire, 1583-191424
- High Commissioner, Egypt, 1914-193620
- Political Resident, Aden, 1854-193220
- High Commissioner, Iraq, 1920-193219
- British Bank of Iran and the Middle East, 1889-195218
- HM Ambassador to Russia, 1801-192218
- Persian Gulf Political Residency, 1822-197118
- Secretary of State for India, United Kingdom, 1858-193518