1Melatiah Nash to Thomas Jefferson, 24 October 1811 (Jefferson Papers)
The Columbian Ephemeris and Astronomical Diary, for the year 1812 (Nash) [index entry]
2Thomas Jefferson to Melatiah Nash, 15 November 1811 (Jefferson Papers)
The Columbian Ephemeris and Astronomical Diary, for the year 1812 (Nash) [index entry]