Name
- Foreign Office, 1782-19681,068
- Political Resident, Persian Gulf, 1822-1971852
- Persian Gulf Political Residency, 1822-1971372
- HM Ambassador to Iran, 1807-1980334
- Government of India, 1834-1947295
- Government of India, Foreign and Political Department, 1783-1937284
- Indian Political Service, External Affairs Department, 1937-1947250
- Viceroy and Governor-General of India in Council, 1773-1947247
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-1970243
- British Legation, Tehran, c 1836-1944232
- Colonial Office, 1854-1966229
- War Office, 1857-1964203
- Secretary of State for Foreign Affairs, 1782-1968197
- Secretary of State for India, United Kingdom, 1858-1935186
- Emir of Kuwait, 1718-177
- Political Agent, Bahrain, 1905-1971175
- Adviser to the Government of Bahrain, 1926-1957171
- King of Bahrain, 1783-149
- Native Agent, Trucial Coast, Sharjah, c 1823-1949148
- Political Agent, Kuwait, 1904-1961142