Name
- Foreign Office, 1782-19685
- British Legation to Saudi Arabia, 1930-19472
- British Legation, Tehran, c 1836-19442
- Government of Iran, Pahlavi dynasty, 1925-19792
- Government of Persia, Qājār dynasty, 1794-19252
- HM Ambassador to Iran, 1807-19802
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19702
- Banū Ka‘b, Tribe, c 1740-c 18401
- Cable and Wireless Ltd, 1929-19811
- Chamberlain, Arthur Neville, Prime Minister, 1869-19401
- Colonial Office, 1854-19661
- Committee of Imperial Defence, Standing Official Sub-Committee for Questions Concerning the Middle East, 1930-19391
- Dominions Office, 1925-19471
- Emir of Mohammerah, c 1800-19361
- France, Ministry of Foreign Affairs, 1791-20071
- Government of the Russian Empire, 1721-19171
- High Commissioner, Iraq, 1920-19321
- High Commissioner, Palestine and Transjordan, 1920-19481
- Iraqi Republic Railways, 1905-1
- League of Nations, 1920-19461