| 7 April 1931 |
|
Treaty and Protocol between Iraq and Hejaz regarding Friendship and Arbitration |
| 8 April 1931 |
|
Treaty with Exchange of Notes between Hejaz and Iraq regarding Extradition |
| 21 March 1933 |
|
Exchange of Notes between Transjordan and Hejaz and Nejd concerning Mutual recognition of Sovereignty |
| 3 October 1936 |
|
Exchange of Notes between His Majesty's Government in the United Kingdom and the Government of Saudi Arabia for the Modification of the Treaty of Jedda of the 20th May, 1927 |
| 3 October 1943 |
|
Exchange of notes between His Majesty's Government in the United Kingdom and the Government of Saudi Arabia prolonging the Treaty of Jedda of 20th May, 1927 as modified by the Exchange of Notes of 3rd October, 1936 |