1Peter S. Du Ponceau to Thomas Jefferson, 11 December 1817 (Jefferson Papers)
Spain; and La. [index entry]
2Peter S. Du Ponceau to Thomas Jefferson, 6 January 1818 (Jefferson Papers)
Spain; and La. [index entry]
3Thomas Jefferson to Thomas Mann Randolph, 31 December 1821 (Jefferson Papers)
Spain; and La. [index entry]
4Thomas Jefferson to Peter S. Du Ponceau, 30 December 1817 (Jefferson Papers)
Spain; and La. [index entry]
5Thomas Jefferson to John Quincy Adams, 1 November 1817 (Jefferson Papers)
Spain; and La. [index entry]
6William Short to Thomas Jefferson, 2 May 1820 (Jefferson Papers)
Spain; and La. [index entry]