Name
- Foreign Office, 1782-19684
- Government of Persia, Qājār dynasty, 1794-19253
- HM Ambassador to Iran, 1807-19803
- Government of India, Foreign and Political Department, 1783-19372
- Adviser to the Government of Bahrain, 1926-19571
- Bahrain Political Agency, 1900-19711
- Bank Melli Iran, 1928-1
- British Bank of Iran and the Middle East, 1889-19521
- Department of State, United States, 1789-1
- Government of India, 1834-19471
- Government of India, Foreign Secretary, 1843-19371
- Government of the Russian Empire, 1721-19171
- HM Treasury, 12th century-1
- Levant Consular Service, 19th century-Late 20th century1
- Ministry of Finance, Iran, Early 20th century-1
- Persian Gulf Political Residency, 1822-19711
- Secretary of State for Foreign Affairs, 1782-19681