11Thomas Jefferson to John Adams, 21 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
12Destutt de Tracy to Thomas Jefferson, 10 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
13Thomas Jefferson to Lafayette, 8 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
14Joseph Milligan to Thomas Jefferson, 3 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
15John Adams to Thomas Jefferson, 2 March 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
16John Adams to Thomas Jefferson, 24 February 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
17Joseph Milligan to Thomas Jefferson, 17 February 1819 (first letter) (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
18John Adams to Thomas Jefferson, 29 January 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
19Robert Walsh to Thomas Jefferson, 25 January 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]
20William C. Rives to Thomas Jefferson, 20 January 1819 (Jefferson Papers)
A Treatise on Political Economy (Destutt de Tracy) [index entry]