1To James Madison from James Ryan, 11 May 1827 (Madison Papers)
and author of a number of books on mathematics, including
2Thomas Jefferson to Joseph Echols, 23 May 1822 (Jefferson Papers)
books; on mathematics [index entry]
3Thomas Jefferson to Claudius Crozet, 23 November 1821 (Jefferson Papers)
books; on mathematics [index entry]
4Claudius Crozet to Thomas Jefferson, 1 November 1821 (Jefferson Papers)
books; on mathematics [index entry]
5Thomas Jefferson to Robert Patterson, 7 November 1820 (Jefferson Papers)
books; on mathematics [index entry]
6Louis H. Girardin to Thomas Jefferson, 16 August 1820 (Jefferson Papers)
books; on mathematics [index entry]
7John Hyder to Thomas Jefferson, 14 July 1820 (Jefferson Papers)
books; on mathematics [index entry]
8Thomas Jefferson to Frederick A. Mayo, 9 April 1819 (Jefferson Papers)
books; on mathematics [index entry]
9Thomas Jefferson to James Eastburn & Company, 2 April 1819, with Jefferson’s Note (Jefferson Papers)
books; on mathematics [index entry]
10Rodolph Schaer to Thomas Jefferson, 25 March 1819 (Jefferson Papers)
books; on mathematics [index entry]