1Benjamin Rush to Thomas Jefferson, 3 May 1809 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]
2Horatio G. Spafford to Thomas Jefferson, 23 January 1815 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]
3Thomas Jefferson to John Adams, 7 October 1818 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]
4Thomas Jefferson to John Barnes, 7 December 1818 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]
5Francis Adrian Van der Kemp to Thomas Jefferson, 28 August 1820 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]
6John Adams to Thomas Jefferson, 12 July 1822 (Jefferson Papers)
Adams, John; friendship with TJ [index entry]