Name
- Political Resident, Persian Gulf, 1822-197126
- Foreign Office, 1782-196813
- Government of India, Foreign and Political Department, 1783-193712
- HM Ambassador to Iran, 1807-198011
- Political Agent and Consul, Muscat, 1861-197110
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19709
- Government of the Ottoman Empire, 13th century-20th century8
- King of Bahrain, 1783-7
- Government of Bombay, 1662-19475
- Government of Persia, Qājār dynasty, 1794-19255
- India Office, Assistant Secretary to the Political and Secret Department,, 1858-19305
- Āl Bū Sa‘īd, Turkī bin Sa‘īd, Sultan of Muscat and Oman, 1832-18885
- Colonial Office, 1854-19664
- Emir of Najd, 1824-18914
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century4
- Admiralty, 1708-19643
- Government of Iran, Pahlavi dynasty, 1925-19793
- Political Resident, Aden, 1854-19323
- Secretary of State for Foreign Affairs, 1782-19683
- Baghdad Railway, 1903-2