Name
- AHQ, Aden, Mid 20th century1
- AHQ, Iraq, 1941-19551
- Air Ministry, 1918-19641
- British Overseas Airways Corporation, 1939-19741
- Commonwealth Relations Office, 1947-19661
- Indian Political Service, External Affairs Department, 1937-19471
- Ministry of Civil Aviation, 1945-19531
- Ministry of Supply, 1939-19591
- Political Agent and Consul, Muscat, 1861-19711
- Political Resident, Persian Gulf, 1822-19711
- Royal Air Force, 1918-1
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701
- War Office, 1857-19641