11Martin Oster to Thomas Jefferson, 13 August 1811 (Jefferson Papers)
12Thomas Jefferson to Martin Oster, 2 August 1811 (Jefferson Papers)
13Burwell Bassett to Thomas Jefferson, 20 July 1811 (Jefferson Papers)
14Enclosure: Thomas Jefferson’s Extracts from Palisot de Beauvois’s Letter to Thomas Jefferson, 19 March 1811, with … (Jefferson Papers)
15Palisot de Beauvois to Thomas Jefferson, 19 March 1811 (Jefferson Papers)