Name
- Foreign Office, 1782-196833
- Political Resident, Persian Gulf, 1822-197122
- Government of India, 1834-194716
- HM Ambassador to Iran, 1807-198015
- Government of India, Foreign and Political Department, 1783-193713
- Government of Persia, Qājār dynasty, 1794-192513
- Government of Iran, Pahlavi dynasty, 1925-197911
- Admiralty, 1708-19649
- Political Agent and Consul, Muscat, 1861-19719
- Secretary of State for Foreign Affairs, 1782-19689
- Persian Gulf Political Residency, 1822-19718
- Aden Boundary Commission, 1902?-19056
- Minister for Foreign Affairs, Iran, 1821-6
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19706
- Senior Naval Officer in the Persian Gulf, 1822-19715
- Shāh of Persia, Qājār dynasty, 1794-19255
- Viceroy and Governor-General of India in Council, 1773-19475
- Baghdad Railway, 1903-4
- Government of the Russian Empire, 1721-19174
- Royal Navy, Commander-in-Chief, East Indies Station, 1865-19414