1Caspar Wistar to Thomas Jefferson, 9 October 1815 (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
2Enclosure: Prospectus for Transactions of the Historical and Literary Committee of the American Philosophical Society … (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
3Thomas Jefferson to Peter S. Du Ponceau, 14 March [1819] (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
4Peter S. Du Ponceau to Thomas Jefferson, 12 July 1820 (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
5Peter S. Du Ponceau to Thomas Jefferson, 18 July 1820 (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
6Constantine S. Rafinesque to Thomas Jefferson, 1 August 1820 (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]
7Constantine S. Rafinesque to Thomas Jefferson, 10 August 1820 (Jefferson Papers)
Indians, American; Lenni Lenape [index entry]