11John Adams to Thomas Jefferson, 30 December 1818 (Jefferson Papers)
political economy; works on [index entry]
12Joseph C. Cabell to Thomas Jefferson, 7 January 1819 (Jefferson Papers)
political economy; works on [index entry]
13John Wayles Eppes to Thomas Jefferson, 8 January 1819 (Jefferson Papers)
political economy; works on [index entry]
14Joseph Milligan to Thomas Jefferson, [before 12 January 1819] (Jefferson Papers)
political economy; works on [index entry]
15Joseph Milligan to Thomas Jefferson, 18 January 1819 (Jefferson Papers)
political economy; works on [index entry]
16William C. Rives to Thomas Jefferson, 20 January 1819 (Jefferson Papers)
political economy; works on [index entry]
17Robert Walsh to Thomas Jefferson, 25 January 1819 (Jefferson Papers)
political economy; works on [index entry]
18John Adams to Thomas Jefferson, 29 January 1819 (Jefferson Papers)
political economy; works on [index entry]
19Joseph Milligan to Thomas Jefferson, 17 February 1819 (first letter) (Jefferson Papers)
political economy; works on [index entry]
20John Adams to Thomas Jefferson, 24 February 1819 (Jefferson Papers)
political economy; works on [index entry]