Name
- Foreign Office, 1782-196816
- Political Resident, Persian Gulf, 1822-19719
- Government of the Ottoman Empire, 13th century-20th century8
- Colonial Office, 1854-19667
- HM Ambassador to Iran, 1807-19807
- Emir of Qatar, Mid 19th century-6
- Government of India, Foreign and Political Department, 1783-19375
- India Office, Assistant Secretary to the Political and Secret Department,, 1858-19305
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19705
- Native Agent, Trucial Coast, Sharjah, c 1823-19494
- Political Agent and Consul, Muscat, 1861-19714
- Admiralty, 1708-19643
- British Legation to Saudi Arabia, 1930-19473
- Government of Iran, Pahlavi dynasty, 1925-19793
- King of Bahrain, 1783-3
- League of Nations, 1920-19463
- Muscat Political Agency and Consulate, 1861-19713
- Political Resident, Aden, 1854-19323
- Baghdad Railway, 1903-2
- Bahrain Political Agency, 1900-19712