Name
- Foreign Office, 1782-196811
- Political Resident, Persian Gulf, 1822-197110
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19706
- British Bank of Iran and the Middle East, 1889-19525
- Government of Persia, Qājār dynasty, 1794-19255
- Government of India, Foreign and Political Department, 1783-19374
- HM Ambassador to Saudi Arabia, 1930-4
- Viceroy and Governor-General of India in Council, 1773-19474
- Government of India, 1834-19473
- HM Treasury, 12th century-3
- King of Saudi Arabia, 1932-3
- Political Agent and Consul, Zanzibar, 1841-19143
- British Legation, Tehran, c 1836-19442
- Commonwealth Relations Office, 1947-19662
- Government of India, Foreign Secretary, 1843-19372
- Government of Iran, Pahlavi dynasty, 1925-19792
- Government of Muscat and Oman, Finance Officer, Mid 20th century2
- HM Ambassador to Iran, 1807-19802
- HM Chargé d'Affaires to Jeddah, 1930-Mid 20th century2
- King of Hejaz and Najd, 1927-19322