1John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
Rousseau, Jean Jacques; J. Adams on [index entry]
2John Adams to Thomas Jefferson, with postscript by Abigail Adams, 20 June 1815 (Jefferson Papers)
Rousseau, Jean Jacques; J. Adams on [index entry]
3John Adams to Thomas Jefferson, 2 March 1816 (Jefferson Papers)
Rousseau, Jean Jacques; J. Adams on [index entry]