11Joseph Milligan to Thomas Jefferson, 20 November 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
12Destutt de Tracy to Thomas Jefferson, 11 April 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
13Destutt de Tracy to Thomas Jefferson, 22 February 1821 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
14Joseph Milligan to Thomas Jefferson, 30 July 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
15David Bailie Warden to Thomas Jefferson, [ca. 12–22 August 1817] (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
16Joseph Milligan to Thomas Jefferson, 9 April 1817 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
17Joseph Milligan to Thomas Jefferson, 3 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
18Joseph Milligan to Thomas Jefferson, 30 October 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
19Joseph Milligan to Thomas Jefferson, 17 October 1818 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
20John Wayles Eppes to Thomas Jefferson, 8 January 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]