1Thomas Jefferson to Peter S. Du Ponceau, 7 July 1820 (Jefferson Papers)
I have lately had an opportunity of procuring a copy of a Vocabulary of the Nottoway tribe of...
2James Madison to Peter S. Duponceau, 7 February 1835 (Madison Papers)
I have received the Copy of Mr. Tyson’s "Discourse before the Young Men’s Colonization Society in...
3Thomas Jefferson to Peter S. Du Ponceau, 31 March 1821 (Jefferson Papers)
Your favor of the 23 d is recieved. the acquaintance I had the pleasure of forming with mr...
4Thomas Jefferson to Peter S. Du Ponceau, 14 March [1819] (Jefferson Papers)
I thank you, dear Sir, for the valuable volume of your historical transactions which you have...
5Thomas Jefferson to Peter S. Du Ponceau, 6 November 1817 (Jefferson Papers)
The long delay of the MS. of Col o Byrd which you were so kind as to send me , needs apology. on...
6Thomas Jefferson to Peter S. Du Ponceau, 7 November 1817 (Jefferson Papers)
A part of the information of which the expedition of Lewis and Clarke was the object has been...
7Thomas Jefferson to Peter S. Du Ponceau, 30 December 1817 (Jefferson Papers)
An absence of 6. weeks has occasioned your letters of the 5 th & 11 th inst to lie thus long...
8From James Madison to Peter Stephen DuPonceau, 8 December 1810 (Madison Papers)
I recd. in due time your favor of the 15th. instant ⟨and⟩ with it a Copy of your translation of...
9Thomas Jefferson to Peter S. Du Ponceau, 26 January 1817 (Jefferson Papers)
I promised you in my letter of Jan. 22. 16. to make enquiry on the subject of the MS. journal of...
10From Thomas Jefferson to Peter Stephen Duponceau, 16 November 1825 (Jefferson Papers)
Th: Jefferson returns his thanks to the Board of Directors of the society for the Commemoration...