1To 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....
2To 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 ,...
3To 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...
4From 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...
5To 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...
6From 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,...
7From 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...
8To 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...
9To 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...
10From 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...