Name
- Foreign Office, 1782-19683
- Ambassador of France to the United Kingdom, Early 18th century-2
- Ambassador of the Russian Empire to the United Kingdom, 1706-19172
- British Legation, Tehran, c 1836-19442
- Persian Railways Syndicate, 1911-19392
- Société Internationale d'Etudes du Chemin de fer Transpersan, 1912-early 20th century2
- Trans-Iranian Railway, 1927-2
- Baghdad Railway, 1903-1
- Baring Brothers and Company Limited, 1891-19951
- Finance Minister, Ottoman Empire, 1837-19221
- HM Ambassador to Germany, 1871-19491
- HM Ambassador to the Ottoman Empire, 1583-19141
- Imperial German Ambassador to London, 1871-19181
- Secretary of State for Foreign Affairs, 1782-19681
- War Office, 1857-19641