Name
- Foreign Office, 1782-196895
- Government of Iran, Pahlavi dynasty, 1925-197956
- British Legation, Tehran, c 1836-194451
- HM Ambassador to Iran, 1807-198025
- Political Resident, Persian Gulf, 1822-197121
- Colonial Office, 1854-196620
- Government of India, Foreign and Political Department, 1783-193716
- HM Ambassador to Iraq, 1932-15
- HM Ambassador to Saudi Arabia, 1930-14
- Indian Political Service, External Affairs Department, 1937-194713
- Admiralty, 1708-196411
- Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East, 1930-19399
- Government of India, 1834-19479
- HM Ambassador to Egypt, 1786-9
- HM Ambassador to the Republic of Turkey, 1920-9
- Persian Gulf Political Residency, 1822-19719
- Shah of Iran, Pahlavi dynasty, 1925-19799
- Anglo-Iranian Oil Company Limited, 1909-19548
- HM Ambassador to Italy, 1876-8
- HM Chargé d'Affaires to Jeddah, 1930-Mid 20th century8