1Thomas Jefferson to John Waldo, 16 August 1813 (Jefferson Papers)
French language; evolution of [index entry]
2Thomas Jefferson’s Title and Prospectus for Destutt de Tracy’s Treatise on Political Economy, [ca. 6 April 1816] (Jefferson Papers)
French language; evolution of [index entry]
3Thomas Jefferson to Peter S. Du Ponceau, 7 November 1817 (Jefferson Papers)
French language; evolution of [index entry]
4Thomas Jefferson to William S. Cardell, 27 January 1821 (Jefferson Papers)
French language; evolution of [index entry]