Name
- Foreign Office, 1782-19685
- Government of India, Foreign and Political Department, 1783-19373
- Government of Persia, Qājār dynasty, 1794-19253
- HM Ambassador to Iran, 1807-19803
- King of Saudi Arabia, 1932-2
- Persian Gulf Political Residency, 1822-19712
- Adviser to the Government of Bahrain, 1926-19571
- Ali Haider, Emir of Mecca, 1916-19351
- Bahrain Political Agency, 1900-19711
- Bank Melli Iran, 1928-1
- British Bank of Iran and the Middle East, 1889-19521
- British Consul General, Beirut, 19th century-20th century1
- Department of State, United States, 1789-1
- Edward VIII, King of Great Britain and Ireland, 1894-19721
- Government of India, 1834-19471
- Government of India, Foreign Secretary, 1843-19371
- Government of the Russian Empire, 1721-19171
- HM Ambassador to Iraq, 1932-1
- HM Ambassador to Saudi Arabia, 1930-1
- HM Treasury, 12th century-1