1Thomas Jefferson to Joseph Milligan, 19 March 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
2Joseph Milligan to Thomas Jefferson, 9 April 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
3Thomas Jefferson to Jean Baptiste Say, 14 May 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
4Thomas Jefferson to Destutt de Tracy, 15 May 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
5Thomas Jefferson to John Barnes, 17 May 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
6Joseph Milligan to Thomas Jefferson, 30 July 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
7David Bailie Warden to Thomas Jefferson, [ca. 12–22 August 1817] (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
8Thomas Jefferson to Joseph Milligan, 23 September 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
9Thomas Jefferson to Joseph Milligan, 3 January 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
10Joseph Milligan to Thomas Jefferson, 6 February 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]