1Caspar Wistar to Thomas Jefferson, 9 October 1815 (Jefferson Papers)
Indians, American; historical manuscript concerning [index entry]
2Peter S. Du Ponceau to Thomas Jefferson, 5 December 1817 (Jefferson Papers)
Indians, American; historical manuscript concerning [index entry]
3Enclosure: Nicholas Biddle to William Tilghman, 6 April 1818 (Jefferson Papers)
Indians, American; historical manuscript concerning [index entry]
4Peter S. Du Ponceau to Thomas Jefferson, 14 April 1818 (Jefferson Papers)
Indians, American; historical manuscript concerning [index entry]