1Burwell Bassett to Thomas Jefferson, 20 July 1811 (Jefferson Papers)
2Enclosure: Thomas Jefferson’s Extracts from Palisot de Beauvois’s Letter to Thomas Jefferson, 19 March 1811, with … (Jefferson Papers)
3Thomas Jefferson to Lewis A. Pauly, 1 June 1812 (Jefferson Papers)
4Thomas Jefferson to Martin Oster, 2 August 1811 (Jefferson Papers)
5Thomas Jefferson to Martin Oster, 5 July 1812 (Jefferson Papers)
6Thomas Jefferson to Lewis A. Pauly, 18 September 1812 (Jefferson Papers)
7Thomas Jefferson to Lewis A. Pauly, 5 July 1812 (Jefferson Papers)
8Martin Oster to Thomas Jefferson, 22 September 1811 (Jefferson Papers)
9Martin Oster to Thomas Jefferson, 13 August 1811 (Jefferson Papers)
10Martin Oster to Thomas Jefferson, 29 August 1812 (Jefferson Papers)