1Thomas Jefferson to John Minor, 30 August 1814, including Thomas Jefferson to Bernard Moore, [ca. 1773?] (Jefferson Papers)
Histoire des Mathématiques (J. E. Montucla and Lalande) [index entry]
2Thomas Jefferson to Isaac McPherson, 13 August 1813 (Jefferson Papers)
Histoire des Mathématiques (J. E. Montucla and Lalande) [index entry]
3Thomas Jefferson to Louis H. Girardin, 18 March 1814 (Jefferson Papers)
Histoire des Mathématiques (J. E. Montucla and Lalande) [index entry]