1Peter 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 ,...
2Peter S. Du Ponceau to Thomas Jefferson, 11 December 1817 (Jefferson Papers)
In the last letter which I had the honor of writing to you, I omitted to return you thanks in the...
3Peter S. Du Ponceau to Thomas Jefferson, 5 January 1818 (Jefferson Papers)
I do myself at present the honor merely to acknowledge the receipt of your Letter of the 30 th...
4Peter S. Du Ponceau to Thomas Jefferson, 6 January 1818 (Jefferson Papers)
I have now the honor to answer your Letter of the 30 th ult o . The Committee , I have no doubt,...
5Peter 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...
6Peter 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...
7Peter S. Du Ponceau to Thomas Jefferson, 14 February 1818 (Jefferson Papers)
I have the satisfaction to inform You that the Volume of the Society ’s Transactions now in the...
8Peter S. Du Ponceau to Thomas Jefferson, 24 February 1818 (Jefferson Papers)
I have received the Letter you have done me the honor to write to me on the 19 th inst, including...
9Peter S. Du Ponceau to Thomas Jefferson, 14 April 1818 (Jefferson Papers)
I have the Satisfaction to inform you that the Historical Committee has received from M r Biddle...
10Peter S. Du Ponceau to Thomas Jefferson, 9 June 1818 (Jefferson Papers)
I have the honor of enclosing to you the Prospectus of the first Volume of our Historical...
11Peter S. Du Ponceau to Thomas Jefferson, 1 March 1819 (Jefferson Papers)
I am ordered by the Historical Committee to inform you that they have caused to be transmitted to...
12To John Adams from Peter Stephen Duponceau, 28 June 1819 (Adams Papers)
I feel exceedingly honored as well as gratified by your kind notice of my humble labours. Your...
13To John Adams from Peter Stephen Duponceau, 12 July 1819 (Adams Papers)
I am honoured with your letter of the 5th. inst. If you have felt pleasure in recognizing in me...
14Peter 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....
15Enclosure: 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...
16Peter S. Du Ponceau to Thomas Jefferson, 13 July 1820 (Jefferson Papers)
M r Du Ponceau has the honor of enclosing to M r Jefferson , a Short Comparative Vocabulary of...
17Enclosure: 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 ,...
18Peter S. Du Ponceau to Thomas Jefferson, 18 July 1820 (Jefferson Papers)
I hope I shall not be considered intrusive in communicating to you the Substance of the answer I...
19Peter 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...
20Peter S. Du Ponceau to Thomas Jefferson, 9 October 1820 (Jefferson Papers)
I take the liberty of introducing to you in the person of M r L. C. Vanuxem , the bearer hereof,...
21Peter S. Du Ponceau to Thomas Jefferson, 14 December 1820 (Jefferson Papers)
M r Du Ponceau presents his respects to M r Jefferson , & has the honor of Sending to him at the...
22Peter S. Du Ponceau to Thomas Jefferson, 3 January 1821 (Jefferson Papers)
I have received the Letter you have done me the honor to write to me , dated the 28 th ult o...
23Peter S. Du Ponceau to Thomas Jefferson, 23 March 1821 (Jefferson Papers)
I had the honor some time ago of introducing to you M r L. C. Vanuxem , a young American...
24To John Adams from Peter Stephen Duponceau, 19 April 1821 (Adams Papers)
The honor you have done me by noticing my weak productions & encouraging my endeavours to be...
25Peter S. Du Ponceau to Thomas Jefferson, 19 April 1821 (Jefferson Papers)
Your polite & ready answer to the letter I had the honor of writing to you on the Subject of M r...
26To Thomas Jefferson from Peter Stephen Duponceau, 19 May 1825 (Jefferson Papers)
Count Charles Vidûn, of Turin, who will have the honor of delivering you this Letter is one of...
27To Thomas Jefferson from Peter Stephen Duponceau, 5 November 1825 (Jefferson Papers)
By order of the Board of Directors of the Society for the Commemoration of the landing of William...
28Peter 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...
29Peter 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...