11Joseph Milligan to Thomas Jefferson, 3 March 1819 (Jefferson Papers)
political economy; works on [index entry]
12John Adams to Thomas Jefferson, 2 March 1819 (Jefferson Papers)
political economy; works on [index entry]
13John Adams to Thomas Jefferson, 24 February 1819 (Jefferson Papers)
political economy; works on [index entry]
14Joseph Milligan to Thomas Jefferson, 17 February 1819 (first letter) (Jefferson Papers)
political economy; works on [index entry]
15John Adams to Thomas Jefferson, 29 January 1819 (Jefferson Papers)
political economy; works on [index entry]
16Robert Walsh to Thomas Jefferson, 25 January 1819 (Jefferson Papers)
political economy; works on [index entry]
17William C. Rives to Thomas Jefferson, 20 January 1819 (Jefferson Papers)
political economy; works on [index entry]
18Thomas Jefferson to John Adams, 19 January 1819 (Jefferson Papers)
political economy; works on [index entry]
19Joseph Milligan to Thomas Jefferson, 18 January 1819 (Jefferson Papers)
political economy; works on [index entry]
20Joseph Milligan to Thomas Jefferson, [before 12 January 1819] (Jefferson Papers)
political economy; works on [index entry]