21Peter S. Du Ponceau to Thomas Jefferson, 22 January 1818 (Jefferson Papers)
The Historical Committee met last night, when your Letter of the 30 th ult o & my answers of the...
22Peter S. Du Ponceau to Thomas Jefferson, 12 July 1820 (Jefferson Papers)
I have received the letter you have done me the honor to write to me dated the 7 th inst....
23Peter S. Du Ponceau to Thomas Jefferson, 12 September 1820 (Jefferson Papers)
The Vocabulary of the Nottoway language which you have had the goodness to send to me , has only...
24Peter S. Du Ponceau to Thomas Jefferson, 24 January 1818 (Jefferson Papers)
I have received the Letter you have done me the honor to write to me on the 17 th inst. There is...
25Peter S. Du Ponceau to Thomas Jefferson, 5 December 1817 (Jefferson Papers)
The two letters which you have done me the honor to write to me, dated the 6 th & 7 th ultimo ,...
26Peter S. Du Ponceau to James Madison, 25 October 1828 (Madison Papers)
Mr LeVasseur having undertaken to write an Account of the Journey of Genl Lafayette thro’ the...
27Peter S. Du Ponceau to James Madison, 14 April 1832 (Madison Papers)
I beg leave to introduce to your acquaintance, Mr Fournier, an Advocate of the Paris Bar, and his...
28Enclosure: Peter S. Du Ponceau’s Comparison of the Nottoway and Iroquois Languages, [ca. 13 July 1820] (Jefferson Papers)
Affinities of the Nottoway language with the Iroquois Dialects Nottoway Nottoway The Sun Aheeta ,...
29Enclosure: Peter S. Du Ponceau’s Comparison of Indian Numerals, [ca. 12 July 1820] (Jefferson Papers)
Indian Numerals The Onondago is taken from Zeisberger’s Grammar The Mohawk from Luther’s...