1Joseph Milligan to Thomas Jefferson, 30 July 1817 (Jefferson Papers)
political economy; works on [index entry]
2Joseph Milligan to Thomas Jefferson, 6 February 1818 (Jefferson Papers)
political economy; works on [index entry]
3Destutt de Tracy to Thomas Jefferson, 11 April 1818 (Jefferson Papers)
political economy; works on [index entry]
4Joseph Milligan to Thomas Jefferson, 11 May 1818 (Jefferson Papers)
political economy; works on [index entry]
5Joseph Milligan to Thomas Jefferson, 17 October 1818 (Jefferson Papers)
political economy; works on [index entry]
6Joseph Milligan to Thomas Jefferson, 30 October 1818 (Jefferson Papers)
political economy; works on [index entry]
7Joseph Milligan to Thomas Jefferson, 20 November 1818 (Jefferson Papers)
political economy; works on [index entry]
8William A. Burwell to Thomas Jefferson, 28 November 1818 (Jefferson Papers)
political economy; works on [index entry]
9Robert Walsh to Thomas Jefferson, 24 December 1818 (Jefferson Papers)
political economy; works on [index entry]
10Joseph Milligan to Thomas Jefferson, 25 December 1818 (Jefferson Papers)
political economy; works on [index entry]