1Thomas Jefferson to Joseph C. Cabell, 22 January 1820 (Jefferson Papers)
Trist, Nicholas Philip; and University of Virginia [index entry]
2Thomas Jefferson to Nicholas P. Trist, 14 June 1822 (Jefferson Papers)
Trist, Nicholas Philip; and University of Virginia [index entry]
3Nicholas P. Trist to Thomas Jefferson, 3 August 1822 (Jefferson Papers)
Trist, Nicholas Philip; and University of Virginia [index entry]