Name
- Government of India, Foreign and Political Department, 1783-19374
- Foreign Office, 1782-19683
- HM Ambassador to Iran, 1807-19803
- Political Resident, Persian Gulf, 1822-19713
- Viceroy and Governor-General of India in Council, 1773-19472
- War Office, 1857-19642
- Admiralty, 1708-19641
- Board of Trade, 1786-19701
- British Legation, Tehran, c 1836-19441
- Cable and Wireless Ltd, 1929-19811
- Civil Commissioner, Mesopotamia, 1917-19201
- Commander of the Mesopotamia Expeditionary Force, 1914-19201
- Committee of Imperial Defence, Persian Gulf Sub-Committee, 1928-19311
- Dominions Office, 1925-19471
- Fayṣal I, King of Iraq, 1885-19331
- Government of India, Foreign Secretary, 1843-19371
- Government of India, Industries and Labour Department, 1924-1937?1
- HM Treasury, 12th century-1
- High Commissioner, Iraq, 1920-19321
- Indo-European Telegraph Department, 1862-19311