1John Adams to Thomas Jefferson, 18 July 1813 (Jefferson Papers)
books; on religion [index entry]
2John Adams to Thomas Jefferson, 9 August 1813 (Jefferson Papers)
books; on religion [index entry]
3John Adams to Thomas Jefferson, 25 December 1813 (Jefferson Papers)
books; on religion [index entry]
4John Adams to Thomas Jefferson, February–3 March 1814 (Jefferson Papers)
books; on religion [index entry]