1John Adams to Thomas Jefferson, 28 June 1812 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
2John Adams to Thomas Jefferson, 2 February 1813 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
3John Adams to Thomas Jefferson, 25 June 1813 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
4John Adams to Thomas Jefferson, 13 July 1813 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
5John Adams to Thomas Jefferson, 3 December 1813 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
6John Adams to Thomas Jefferson, February–3 March 1814 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
7John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
8John Adams to Thomas Jefferson, 19 June 1815 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
9John Adams to Thomas Jefferson, with postscript by Abigail Adams, 20 June 1815 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
10John Adams to Thomas Jefferson, 3 May 1816 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
11John Adams to Thomas Jefferson, 2 February 1817 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]
12John Adams to Thomas Jefferson, 15 July 1817 (Jefferson Papers)
Condorcet, Marie Jean Antoine Nicolas de Caritat, marquis de; J. Adams on [index entry]