11Thomas Jefferson to Edmund M. Blunt, 25 July 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
12Robert Patterson to Thomas Jefferson, 23 September 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
13Edmund M. Blunt to Thomas Jefferson, 21 October 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
14Thomas Jefferson to Robert Patterson, 10 November 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
15Robert Patterson to Thomas Jefferson, 11 November 1811 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
16Thomas Jefferson to Joseph Milligan, 1 December 1814 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
17Joseph Milligan to Thomas Jefferson, 14 December 1814 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
18John Garnett to Thomas Jefferson, 17 December 1814 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
19Thomas Jefferson to John Garnett, 4 January 1815 (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]
20Thomas Jefferson: Book List, [after 6 October 1815] (Jefferson Papers)
Garnett, John; Nautical Almanac and Astronomical Ephemeris [index entry]