1To Thomas Jefferson from Benjamin S. Barton, 26 July 1790 (Jefferson Papers)
I take the liberty of enclosing to you a paper of Proposals for a work which I have been engaged...
2From Thomas Jefferson to Benjamin S. Barton and Others, 12 May 1791 (Jefferson Papers)
Th: Jefferson presents his respects to the gentlemen of the committee on the Hessian fly, and...
3American Philosophical Society’s Circular on the Hessian Fly, 17 April 1792 (Jefferson Papers)
At a meeting of the Committee appointed by the American Philosophical Society for the purpose of...
4From Thomas Jefferson to Benjamin Smith Barton, 2 December 1792 (Jefferson Papers)
Th: Jefferson presents his compliments to Dr. Barton and has the pleasure to inform him that the...
5To Thomas Jefferson from Benjamin Smith Barton, [19 December 1792] (Jefferson Papers)
You will place me under a very great obligation by letting me have, by the bearer of this note,...
6From Thomas Jefferson to Benjamin Smith Barton, 2 January 1793 (Jefferson Papers)
[ Ed. Note : This letter, printed in Vol. 24: 687–8 under its inscribed date of 2 Dec. 1792, was...
7To Thomas Jefferson from Benjamin Smith Barton, 4 January 1793 (Jefferson Papers)
In consequence of your note , I have waited on Mr. Michaux. He assures me, that he will...
8To Thomas Jefferson from Benjamin Smith Barton, 12 [March 1793] (Jefferson Papers)
It is not without a great degree of pain, that I write to you on the subject of this letter. You...
9From Thomas Jefferson to Benjamin Smith Barton, 23 August 1793 (Jefferson Papers)
Th: Jefferson presents his friendly compliments to Dr. Barton, and being now in the act of...
10From Thomas Jefferson to Benjamin Smith Barton, 27 August 1793 (Jefferson Papers)
Th: Jefferson begs the favor of Dr. Barton’s company to dinner with a small party of friends on...
11To Thomas Jefferson from Benjamin Smith Barton, 1 August 1796 (Jefferson Papers)
Mrs. Rittenhouse has received the letter (dated July 3d), which was directed to her excellent...
12To Thomas Jefferson from Benjamin Smith Barton, 5 September 1796 (Jefferson Papers)
Sometime since, I wrote to you, in answer to the letter which you had written to my deceased...
13From Thomas Jefferson to Benjamin Smith Barton, 10 October 1796 (Jefferson Papers)
Your favors should have been sooner acknoleged but that I have been in daily expectation of...
14To Thomas Jefferson from Benjamin Smith Barton, 25 October 1796 (Jefferson Papers)
Your letter has come safe to hand. I am extremely glad to learn, that a number of the bones of...
15From Thomas Jefferson to Benjamin Smith Barton, 17 May 1797 (Jefferson Papers)
Th: Jefferson presents his friendly compliments to Dr. Barton and his thanks for his note of...
16To Thomas Jefferson from Benjamin Smith Barton, 26 October 1798 (Jefferson Papers)
I have lately published a new edition of my New Views. I shall endeavour, by the first private...
17From Thomas Jefferson to Benjamin Smith Barton, 1 March 1800 (Jefferson Papers)
Th: Jefferson presents his compliments to Dr. Barton. he is just now beginning to copy the Indian...
18From Thomas Jefferson to Benjamin Smith Barton, 14 February 1801 (Jefferson Papers)
Your favor of Jan. 18 . is duly recieved. the subject of it did not need apology. on the contrary...
19To Thomas Jefferson from Benjamin Smith Barton, 10 March 1801 (Jefferson Papers)
I take the liberty of introducing to your knowledge the bearer of this, Mr. Benjamin Rittenhouse....
20To Thomas Jefferson from Benjamin Smith Barton, 9 February 1802 (Jefferson Papers)
I do myself the honour to introduce to your knowledge, one of our countrymen, Dr. John Watkins ,...
21To Thomas Jefferson from Benjamin Smith Barton, 13 March 1802 (Jefferson Papers)
I am informed, that a Marine Hospital is about to be established, at the expence of the...
22From Thomas Jefferson to Benjamin Smith Barton, 29 March 1802 (Jefferson Papers)
Your favor of the 13th. came to hand on the 20th. instant only. I now inclose you, from the...
23To Thomas Jefferson from Benjamin Smith Barton, 27 May 1802 (Jefferson Papers)
I take the liberty of introducing to your knowledge, the bearer of this, Dr. Edward D. Smith , of...
24From Thomas Jefferson to Benjamin Smith Barton, 27 February 1803 (Jefferson Papers)
I inclose you a copy of two discourses sent you by mr La Cepede through the hands of mr Paine,...
25From Thomas Jefferson to Benjamin Smith Barton, 27 December 1803 (Jefferson Papers)
Some propositions having been made to the public on the subject of a natural bed of Sulphur in...
26To Thomas Jefferson from Benjamin Smith Barton, 30 December 1803 (Jefferson Papers)
In answer to your letter , which I received this morning, I shall, with great pleasure and strict...
27To Thomas Jefferson from Benjamin Smith Barton, 28 May 1804 (Jefferson Papers)
This will be handed to you by Mr. F. A. Humboldt. I am persuaded that I need not offer any...
28From Thomas Jefferson to Benjamin Smith Barton, 20 June 1804 (Jefferson Papers)
Th: Jefferson presents his friendly salutations to Dr. Barton & has this day put on board Capt...
29To Thomas Jefferson from Benjamin Smith Barton, 24 December 1804 (Jefferson Papers)
I little expected, when I took the liberty, some years ago, of addressing you in behalf of one of...
30To Thomas Jefferson from Benjamin Smith Barton, 1 February 1805 (Jefferson Papers)
I am, at this time, engaged in revising for the press, my Eulogium (lately delivered before the...