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