Name
- Admiralty, 1708-19644
- Adviser to the Government of Bahrain, 1926-19572
- Agent in Council, Bussora, 1764-17781
- Ahmed bin Selman, Early 20th century1
- Air Ministry, 1918-19641
- Alexander Hector and Company, Baghdad, c 1842-c 18511
- Ambassador of Soviet Russia to Iran, 1917-19911
- Ambassador of the Russian Empire to the United Kingdom, 1706-19171
- Amir of Hasa, 20th century1
- Anglo-Iranian Oil Company Limited, 1909-19547
- Arabian American Oil Company, 1933-19882
- Archbishop of Canterbury, 597 AD-1
- Assistant Political Agent, Bahrain, c 1926-c 19501
- Assistant to the Political Resident in the Persian Gulf, 1828-19711
- Azerbaijan People's Government, 1945-19461
- Bahrain Political Agency, 1900-19713
- Bakhtiyārī, Tribe, 14th century-1
- Baroot, Mahkoom bin, soldier, fl 19391
- Board of Commissioners for the Affairs of India, 1784-18581
- Board of Trade, 1786-19703