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