Name
- Foreign Office, 1782-196845
- Civil Commissioner, Mesopotamia, 1917-192028
- War Office, 1857-196415
- Government of India, Foreign and Political Department, 1783-193711
- High Commissioner, Iraq, 1920-193211
- General Headquarters, Mesopotamia Expeditionary Force, 1914-19208
- Imperial Government of the Ottoman Empire, 1908-19188
- Anglo-Iranian Oil Company Limited, 1909-19547
- Mesopotamia Expeditionary Force, 1914-19217
- Secretary of State for Foreign Affairs, 1782-19687
- HM Ambassador to Iran, 1807-19806
- Mesopotamia Expeditionary Force, Chief Political Officer, 1914-1920?6
- Viceroy and Governor-General of India in Council, 1773-19476
- Board of Trade, 1786-19704
- Political Resident, Persian Gulf, 1822-19714
- Army Council, 1904-19643
- Cairo Intelligence Department, Arab Bureau, Iraq Section, 1916-19203
- Commander of the Mesopotamia Expeditionary Force, 1914-19203
- Government of India, 1834-19473
- HM Treasury, 12th century-3