1John Adams to Thomas Jefferson, with postscript by Abigail Adams, 20 June 1815 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]
2John Adams to Thomas Jefferson, 2 March 1816 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]
3John Adams to Thomas Jefferson, 6 May 1816 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]
4John Adams to Thomas Jefferson, 3 December 1813 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]
5John Adams to Thomas Jefferson, 19 December 1813 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]
6John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
Voltaire (François Marie Arouet); criticized [index entry]