| 14 February 1838 |
4 May 1838 |
Convention between Great Britain and France, and the Two Sicilies, for the more effectual Suppression of the Slave Trade |
| 29 April 1845 |
|
Treaty of Commerce and Navigation between Her Majesty and the King of the Kingdom of the Two Sicilies |
| 16 April 1856 |
|
Declaration respecting Maritime Law, signed by the Plenipotentiaries of Great Britain, Austria, France, Prussia, Russia, Sardinia, and Turkey, assembled in Congress at Paris - April 16, 1856 |