1Thomas Jefferson to Joseph Milligan, 6 April 1816 (Jefferson Papers)
Jefferson, Thomas; Writings; Note for Destutt de Tracy’sTreatise on Political Economy [index entry]
2Thomas Jefferson to Joseph Milligan, 18 May 1816 (Jefferson Papers)
Jefferson, Thomas; Writings; Note for Destutt de Tracy’sTreatise on Political Economy [index entry]