Name
- 12th Indian Division, 1915-19161
- 39th Central India Horse, 20th century1
- Admiralty War Staff, Naval Intelligence Division, 1912-19641
- Admiralty, 1708-19641
- Admiralty, Naval Intelligence Department, 1887-19121
- Agent to the Governor-General for the Affairs of Sindh, Mid 19th century4
- Air Ministry, 1918-19642
- Air Officer Commanding, Iraq, 1921-19551
- Al Qu'ayṭī, Ṣāliḥ bin Ghālib, Sultan, d 19561
- Anglo-Iranian Oil Company Limited, 1909-19541
- Bahrain Political Agency, 1900-19711
- Bakhtiyārī, Tribe, 14th century-4
- Banī Bū ‘Alī, Tribe, 19th century-2
- Banī Mālik, Tribe, 13th century-1
- Banī Sa‘īd, Tribe, 13th century-1
- Barker, John, diplomat and horticulturist, 1771-18491
- Beni Qitab, Tribe, 19th century-1
- Board of Trade, 1786-19701
- British Army, Intelligence Corps, 1940-2
- British Consul, Ahwaz, Early 20th century-Mid 20th century2