1Thomas Cooper to Thomas Jefferson, 15 September 1814 (Jefferson Papers)
Gondi, Jean François Paul de, Cardinal de Retz; Mémoires du Cardinal de Retz [index entry]
2John Taylor to Thomas Jefferson, 25 February 1821 (Jefferson Papers)
Gondi, Jean François Paul de, Cardinal de Retz; Mémoires du Cardinal de Retz [index entry]