1Enclosure: Joseph Milligan’s List of Books Bound and To Be Bound for Thomas Jefferson, [ca. 31 July 1815] (Jefferson Papers)
Indians, American; Iroquois [index entry]
2Peter S. Du Ponceau to Thomas Jefferson, 5 December 1817 (Jefferson Papers)
Indians, American; Iroquois [index entry]
3Peter S. Du Ponceau to Thomas Jefferson, 22 January 1818 (Jefferson Papers)
Indians, American; Iroquois [index entry]
4Peter S. Du Ponceau to Thomas Jefferson, 12 July 1820 (Jefferson Papers)
Indians, American; Iroquois [index entry]
5Peter S. Du Ponceau to Thomas Jefferson, 13 July 1820 (Jefferson Papers)
Indians, American; Iroquois [index entry]
6Enclosure: Peter S. Du Ponceau’s Comparison of the Nottoway and Iroquois Languages, [ca. 13 July 1820] (Jefferson Papers)
Indians, American; Iroquois [index entry]
7Peter S. Du Ponceau to Thomas Jefferson, 18 July 1820 (Jefferson Papers)
Indians, American; Iroquois [index entry]
8Peter S. Du Ponceau to Thomas Jefferson, 12 September 1820 (Jefferson Papers)
Indians, American; Iroquois [index entry]