Name
- Commonwealth Relations Office, 1947-1966[remove]100
- Foreign Office, 1782-196860
- Political Resident, Persian Gulf, 1822-197125
- Persian Gulf Political Residency, 1822-197124
- Government of India, 1834-194711
- Air Ministry, 1918-196410
- Indian Political Service, External Affairs Department, 1937-194710
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19709
- British Embassy in Iran, Tehran, 1944-8
- General Post Office, 1660-19697
- HM Treasury, 12th century-7
- High Commissioner to India, 1946-19507
- Cable and Wireless Ltd, 1929-19816
- Colonial Office, 1854-19666
- High Commissioner to Pakistan, 1947-6
- Secretary of State for India and Burma, United Kingdom, 1935-19476
- Bahrain Political Agency, 1900-19715
- British Legation, Tehran, c 1836-19445
- British Overseas Airways Corporation, 1939-19745
- War Office, 1857-19645