1Joseph Milligan to Thomas Jefferson, 27 November 1820 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
2Joseph Milligan to Thomas Jefferson, 3 March 1819 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
3Joseph Milligan to Thomas Jefferson, 17 February 1819 (first letter) (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
4Joseph Milligan to Thomas Jefferson, [before 12 January 1819] (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
5Joseph Milligan to Thomas Jefferson, 25 December 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
6Joseph Milligan to Thomas Jefferson, 20 November 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
7Joseph Milligan to Thomas Jefferson, 30 October 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
8Joseph Milligan to Thomas Jefferson, 17 October 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
9Joseph Milligan to Thomas Jefferson, 11 May 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]
10Joseph Milligan to Thomas Jefferson, 6 February 1818 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; A Treatise on Political Economy [index entry]