1George Jefferson to Thomas Jefferson, 18 August 1809 (Jefferson Papers)
health; and warm springs [index entry]
2William C. Rives to Thomas Jefferson, 30 August 1811 (Jefferson Papers)
health; and warm springs [index entry]
3George Hargraves to Thomas Jefferson, 4 August 1814 (Jefferson Papers)
health; and warm springs [index entry]
4John F. Oliveira Fernandes to Thomas Jefferson, 10 August 1816 (Jefferson Papers)
health; and warm springs [index entry]
5James Madison to Thomas Jefferson, 23 October 1819 (Jefferson Papers)
health; and warm springs [index entry]
6John Vaughan to Thomas Jefferson, 5 August 1820 (Jefferson Papers)
health; and warm springs [index entry]