1Thomas Jefferson to James Monroe, 19 March 1822 (Jefferson Papers)
2James Monroe to Thomas Jefferson, 14 March 1822 (Jefferson Papers)
3Thomas Jefferson to James Monroe, 6 March 1822 (Jefferson Papers)
4Thomas Jefferson to Jedidiah Morse, 6 March 1822 (Jefferson Papers)
5James Madison to Thomas Jefferson, 5 March 1822 (Jefferson Papers)
6Thomas Jefferson to James Madison, 25 February 1822 (Jefferson Papers)
7Jedidiah Morse to Thomas Jefferson, 16 February 1822 (Jefferson Papers)