1Hugh Nelson to Thomas Jefferson, 2 February [1820] (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]
2James Monroe to Thomas Jefferson, 19 February 1820 (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]
3Hugh Nelson to Thomas Jefferson, 29 February 1820 (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]
4Hugh Nelson to Thomas Jefferson, 4 March 1820 (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]
5David L. Morril to Thomas Jefferson, 10 March 1820 (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]
6Thomas Jefferson to Albert Gallatin, 26 December 1820 (Jefferson Papers)
Senate, U.S.; and Missouri question [index entry]