1Thomas Jefferson to Pierre Samuel Du Pont de Nemours, André Thoüin, and Bartelémy de Faujas-Saint Fond, 16 May 1809 (Jefferson Papers)
Thoüin, André; letters to [index entry]
2Thomas Jefferson to André Thoüin, 14 December 1813 (Jefferson Papers)
Thoüin, André; letters to [index entry]
3Thomas Jefferson to Adamo Fabbroni, Antoine Gouan, Lacepede, Marc Auguste Pictet, and André Thoüin, 6 March 1815 (Jefferson Papers)
Thoüin, André; letters to [index entry]
4Thomas Jefferson to André Thoüin, 11 May 1815 (Jefferson Papers)
Thoüin, André; letters to [index entry]