Name
- Foreign Office, 1782-19685
- HM Ambassador to Iran, 1807-19803
- Colonial Office, 1854-19662
- HM Ambassador to Russia, 1801-19222
- HM Ambassador to the Ottoman Empire, 1583-19142
- HM Chargé d'Affaires to the Ottoman Empire, 1796-19142
- High Commissioner, Iraq, 1920-19322
- Parker, Alwyn, 1877-19512
- Secretary of State for Foreign Affairs, 1782-19682
- Secretary of State for India, United Kingdom, 1858-19352
- Viceroy and Governor-General of India in Council, 1773-19472
- Admiralty, 1708-19641
- Air Council, 1918-19641
- Board of Trade, 1786-19701
- British Commissioner, Turco-Persian Frontier Commission, Early 20th century1
- British Vice-Consul, Kasr-i-Shirin, Persia, Early 20th century1
- Government of Hejaz and Najd, 1927-19321
- Government of India, Foreign and Political Department, 1783-19371
- Government of Iraq, Early 20th century-Mid 20th century1
- HM Ambassador to Saudi Arabia, 1930-1