1John Adams to Thomas Jefferson, with postscript by Abigail Adams, 20 June 1815 (Jefferson Papers)
Diderot, Denis; J. Adams on [index entry]
2John Adams to Thomas Jefferson, with Postscript by Abigail Adams, 2 February 1816 (Jefferson Papers)
Diderot, Denis; J. Adams on [index entry]
3John Adams to Thomas Jefferson, 2 March 1816 (Jefferson Papers)
Diderot, Denis; J. Adams on [index entry]
4John Adams to Thomas Jefferson, 3 May 1816 (Jefferson Papers)
Diderot, Denis; J. Adams on [index entry]