1John Adams to Thomas Jefferson, 30 December 1818 (Jefferson Papers)
Adams, John; and TJ’s health [index entry]
2John Adams to Thomas Jefferson, 2 April 1819 (Jefferson Papers)
Adams, John; and TJ’s health [index entry]
3John Adams to Thomas Jefferson, 23 November 1819 (Jefferson Papers)
Adams, John; and TJ’s health [index entry]