1Thomas Jefferson to Peter Carr, 7 September 1814 (Jefferson Papers)
mathematics; trigonometry [index entry]
2Thomas Cooper’s Notes on University Curricula, [ca. 15–22 September 1814] (Jefferson Papers)
mathematics; trigonometry [index entry]
3Thomas Cooper to Thomas Jefferson, 15 September 1814 (Jefferson Papers)
mathematics; trigonometry [index entry]
4Thomas Jefferson to George Watterston, 10 October 1815 (Jefferson Papers)
mathematics; trigonometry [index entry]
5George Watterston to Thomas Jefferson, 13 October 1815 (Jefferson Papers)
mathematics; trigonometry [index entry]
6Enclosure: Thomas Jefferson’s Notes on Étienne Bézout’s Cours de Mathématiques, [before April 1815] (Jefferson Papers)
mathematics; trigonometry [index entry]
7Thomas Jefferson to George Watterston, 20 October 1815 (Jefferson Papers)
mathematics; trigonometry [index entry]
8Thomas Jefferson’s Field Notes and Calculations of Altitude of the Peaks of Otter, [10–ca. 17 November 1815] (Jefferson Papers)
mathematics; trigonometry [index entry]
9Enclosure: Alden Partridge’s Observations on the Use of Barometers to Compute Altitudes, 20 August 1811 (Jefferson Papers)
mathematics; trigonometry [index entry]
10Thomas Jefferson: Trigonometry Exercise, 4 December 1815 (Jefferson Papers)
mathematics; trigonometry [index entry]