1Thomas Jefferson to Edmund M. Blunt, 25 July 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
2Thomas Jefferson to Joseph Dougherty, 27 May 1809 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
3Thomas Jefferson to John Garnett, 4 January 1815 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
4John Garnett to Thomas Jefferson, 17 December 1814 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
5Edmund M. Blunt to Thomas Jefferson, 21 October 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
6Edmund M. Blunt to Thomas Jefferson, 28 June 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
7Joseph Milligan to Thomas Jefferson, 14 December 1814 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
8Robert Patterson to Thomas Jefferson, 12 March 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
9Robert Patterson to Thomas Jefferson, 23 September 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
10Joseph Dougherty to Thomas Jefferson, 18 June 1809 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]