1John Adams to Thomas Jefferson, 3 February 1812 (Jefferson Papers)
Tacitus; J. Adams on [index entry]
2John Adams to Thomas Jefferson, with Postscript by Abigail Adams, 2 February 1816 (Jefferson Papers)
Tacitus; J. Adams on [index entry]
3John Adams to Thomas Jefferson, 19 April 1817 (Jefferson Papers)
Tacitus; J. Adams on [index entry]