1Charles Pinckney to Thomas Jefferson, 6 September 1820 (Jefferson Papers)
was the 1819 Adams-Onís Treaty between the United States and Spain.
2To James Madison from Charles Pinckney, 2 September 1820 (Madison Papers)
...negotiations for a treaty between the United States and Spain in which the free navigation...
3To James Madison from Charles Pinckney and James Monroe, 23 May 1805 (Madison Papers)
...all the differences subsisting between the United States and Spain at this time, we thought...
4To James Madison from Charles Pinckney and James Monroe, 1 March 1805 (Madison Papers)
...be a rupture in relations between the United States and Spain, a result which they had been...
5To Thomas Jefferson from Charles Pinckney, 28 February 1805 (Jefferson Papers)
...outlined the issues existing between the United States and Spain and proposed a “Project of a...