Name
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19706
- Political Resident, Persian Gulf, 1822-19713
- Royal Air Force, 1918-3
- AHQ, Iraq, 1941-19552
- Commonwealth Relations Office, 1947-19662
- Persian Gulf Political Residency, 1822-19712
- AHQ, Aden, Mid 20th century1
- Air Ministry, 1918-19641
- British Overseas Airways Corporation, 1939-19741
- Foreign Office, 1782-19681
- Government of India, 1947-1
- Indian Political Service, External Affairs Department, 1937-19471
- Minister for Foreign Affairs, Muscat and Oman, 1930-19701
- Ministry of Civil Aviation, 1945-19531
- Ministry of Supply, 1939-19591
- Political Agent and Consul, Muscat, 1861-19711
- War Office, 1857-19641