Name
- Foreign Office, 1782-196812
- Civil Commissioner, Mesopotamia, 1917-192011
- Political Resident, Persian Gulf, 1822-19717
- General Headquarters, Mesopotamia Expeditionary Force, 1914-19206
- Government of India, 1834-19475
- Mesopotamia Expeditionary Force, 1914-19215
- Political Agent and Consul, Muscat, 1861-19715
- Viceroy and Governor-General of India in Council, 1773-19475
- Government of Italy, 1861-19224
- HM Ambassador to Iran, 1807-19804
- Imperial State of Iran, Prime Minister, 1925-19794
- Mesopotamia Expeditionary Force, Chief Political Officer, 1914-1920?4
- Secretary of State for India, United Kingdom, 1858-19354
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19704
- Cairo Intelligence Department, Arab Bureau, Iraq Section, 1916-19203
- Government of Persia, Qājār dynasty, 1794-19253
- HM Ambassador to Soviet Russia, 1924-19913
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century3
- Secretary of State for Foreign Affairs, 1782-19683
- Secretary of State for India and Burma, United Kingdom, 1935-19473