Name
- Governor-General of Georgia, Russian Empire, Early 19th century4
- HM Ambassador to Iran, 1807-19803
- Crown Prince of Persia, Qajar dynasty, 1785-19252
- East India Company Envoy to Persia, 1826-18362
- Foreign Office, 1782-19682
- Government of India, Foreign and Political Department, 1783-19372
- Secretary of State for Foreign Affairs, 1782-19682
- Admiralty, 1708-19641
- Board of Trade, 1786-19701
- British Consul, Tabriz, 19th century-Mid 20th century1
- British Legation, Tehran, c 1836-19441
- Cable and Wireless Ltd, 1929-19811
- Campbell, John Nicholl Robert, 2nd Baronet, army officer and diplomat, 1799-18701
- Dominions Office, 1925-19471
- Emir of Bukhara, 1785-19201
- Government of India, Industries and Labour Department, 1924-1937?1
- Governor of Baghdad, c 1638-c 19171
- HM Ambassador to the Ottoman Empire, 1583-19141
- Indo-European Telegraph Department, 1862-19311
- Khan of Khiva, 1511-19201