The Papers of Thomas Jefferson, Volume 9
Jefferson, Thomas / Boyd, Julian P.![The Papers of Thomas Jefferson, Volume 9](https://support.digitalhusky.com/media/annotations/sorted/174/1747755/CHSBZCOP031747755.jpg)
Volume 9 covers the period of the negotiations for a treaty of amity and commerce with Portugal, in which Jefferson attempted to open up a market for American flour and to move toward his prophetic plan of organizing a system of collective security against the Barbary pirates.