1Thomas Jefferson to Louis H. Girardin, 18 March 1814 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
2Thomas Jefferson’s Notes on Napier’s Theorem, [ca. 18 March 1814] (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
3George Watterston to Thomas Jefferson, 13 October 1815 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
4Thomas Jefferson to George Watterston, 20 October 1815 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
5Thomas Jefferson: Trigonometry Exercise, 4 December 1815 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
6Thomas Jefferson to John Farrar, 10 November 1818 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]
7George Blackburn to Thomas Jefferson, 8 March 1819 (Jefferson Papers)
mathematics; Napier’s theorem [index entry]