1Martin Oster to Thomas Jefferson, 13 August 1811 (Jefferson Papers)
Palisot de Beauvois, Ambroise Marie François Joseph; and P. Piernet’s will [index entry]
2Martin Oster to Thomas Jefferson, 22 September 1811 (Jefferson Papers)
Palisot de Beauvois, Ambroise Marie François Joseph; and P. Piernet’s will [index entry]