1To 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 Letter, which I shall preserve with Care, will be a proud Testimony to my descendents, that their Ancestor enjoyed the esteem of one of the most illustrious among the illustrious founders of this great Empire. I have not read either Bryant’s Analysis nor Dupuis’ Culte Universal, but Shall read them...
2To 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 the friend & pupil of a Man whom you knew & esteemed; you may judge of my Satisfaction, in discovering that his modest mind had not escaped your just discernment. He was all that you describe; to all Mankind he was an enlightened instructor; to me he was almost a father, for he loved me with filial...
3To 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 useful to a Country to which I am under So many & Such great obligations; a Country that has kindly received me into its bosom, & treated me (a stranger) as a child of the family, emboldens me to take the liberty of presenting you with a Copy of the proceedings which have taken place on the opening of...
4To 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 the few Noblemen of Europe, who extending their views beyond the Circle in which they live, wish to become experimentally acquainted with human Nature under all its diversified aspects. He has already travelled over the greatest part of Europe & Asia, & has I believe even penetrated into Africa. He...
5Peter 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, a young American, who to a mind formed by nature for the Philosophical Sciences, unites the advantages of a regular Scientific education in the best Schools & under the best professors abroad. He is lately returned from Paris where he was three Years engaged exclusively in the Study of Chemistry &...
6Peter 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 name of the Historical Committee for the very interesting MSS. which you had the goodness to forward to them on the Subject of opening the Isthmus of Darien . They are fully Sensible of its value & importance, & beg leave to tender you their thanks, with the assurance that your injunction on the...
7Peter 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 ult o . The Committee are highly Sensible of the value of your Correspondence & of the important aid you have been pleased to give them Since their institution. They have expressed their S Grateful Sense of it in a report to the Society , which will be presented at their meeting on Friday next,...
8Peter 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 which shall be treated as it is meant, as Strictly private & confidential. I am well acquainted with M r Sanderson . Some Years ago a M r Carré , a planter from S t Domingo
9Peter 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 have just received from M r Heckewelder to a Letter I wrote to him on the Subject of the Nottoway Indians. He thinks with me they are of the Iroquois, not of the Lenape family. He considers their name Nottaway , to be the Same with Nadowési or Naudowessie the denomination which the Chippeways (a...
10Peter 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 Mineralogist, whom you had the goodness to receive at your House with D r Cooper . Being a Candidate for the professorship of Chemistry & Mineralogy in the new University at Charlotte ville , his father