Name
- Foreign Office, 1782-19683
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19703
- Government of India, Foreign and Political Department, 1783-19372
- Political Resident, Persian Gulf, 1822-19712
- Board of Trade, 1786-19701
- British Embassy, Paris, 1944-1
- British Embassy, Washington, Late 19th century-1
- Dominions Office, 1925-19471
- France, Ministry of Foreign Affairs, 1791-20071
- Government of France, Third Republic, 1871-19401
- Government of India, 1834-19471
- Political Agent and Consul, Muscat, 1861-19711