Name
- Foreign Office, 1782-196810
- HM Ambassador to Iran, 1807-19808
- Political Resident, Persian Gulf, 1822-19718
- Admiralty, 1708-19646
- Government of Iran, Pahlavi dynasty, 1925-19796
- British Legation, Tehran, c 1836-19445
- Indo-European Telegraph Department, 1862-19315
- Cable and Wireless Ltd, 1929-19814
- Government of India, 1834-19474
- Government of India, Foreign and Political Department, 1783-19374
- Government of Persia, Qājār dynasty, 1794-19254
- Minister for Foreign Affairs, Iran, 1821-4
- HM Treasury, 12th century-3
- Secretary of State for Foreign Affairs, 1782-19683
- Senior Naval Officer in the Persian Gulf, 1822-19713
- Viceroy and Governor-General of India in Council, 1773-19473
- British Consul, Bandar Abbas, 19th century-19522
- Emir of Kuwait, 1718-2
- Indo-European Telegraph Company, 1868-19292
- Laithwaite, John Gilbert, Knight, colonial administrator, 1894-19862