Name
- Foreign Office, 1782-196843
- Political Resident, Persian Gulf, 1822-197140
- Government of India, Foreign and Political Department, 1783-193725
- Government of India, 1834-194718
- Government of Persia, Qājār dynasty, 1794-192517
- Political Agent and Consul, Muscat, 1861-197117
- HM Ambassador to Iran, 1807-198014
- Government of Bombay, Political Department, 1754-1934?13
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-197013
- King of Bahrain, 1783-11
- East India Company, Court of Directors, Secret Committee, 1683?-18579
- General Staff Branch, India, 1909-19479
- Indian Political Service, External Affairs Department, 1937-19479
- Colonial Office, 1854-19668
- Aden Boundary Commission, 1902?-19056
- Admiralty, 1708-19646
- Civil Commissioner, Mesopotamia, 1917-19206
- Political Agent, Bahrain, 1905-19716
- Emir of Kuwait, 1718-5
- Government of Iran, Pahlavi dynasty, 1925-19795