1To Thomas Jefferson from Isaac Cox Barnet, 20 February 1806 (Jefferson Papers)
Mr. de Salemberi having requested me to forward the enclosed Letter under my cover, I beg leave...
2To Thomas Jefferson from Isaac Cox Barnet, 10 September 1801 (Jefferson Papers)
Although it may appear presumptuous in me to adress myself directly to the first magistrate of my...
3To Thomas Jefferson from Isaac Cox Barnet, 10 September 1802 (Jefferson Papers)
I received with lively sensibility, the honourable mark of confidence and good opinion you have...
4To Thomas Jefferson from Isaac Cox Barnet, 20 February 1806 (Jefferson Papers)
General Kosiusko having mentioned, a few days ago his writing to Mr. Jefferson (about the...
5To Thomas Jefferson from Isaac Cox Barnet, 31 December 1804 (Jefferson Papers)
So long as there be no change in our consular establishment in Europe—or so long as a...
6To Thomas Jefferson from Isaac Cox Barnet, 14 July 1802 (Jefferson Papers)
Persuaded that my removal from the Agency of this Port was owing to some circumstance connected...
7To James Madison from Isaac Cox Barnet, 24 December 1804 (Madison Papers)
I have the honor to send you with this, a pacquet containing the “ Moniteur ” from October th. to...
8To James Madison from Isaac Cox Barnet (Abstract), 12 March 1805 (Madison Papers)
12 March 1805, “Rue de Varenne No. 648,” Paris . “The last letters I had the honor of addressing...
9To James Madison from Isaac Cox Barnet, 24 November 1802 (Abstract) (Madison Papers)
24 November 1802, Antwerp. Notes that in his letter of 10 Sept. he acknowledged receipt of JM’s...
10To James Madison from John Mercer, Isaac Cox Barnet, and William Maclure, 26 December 1803 (Abstract) (Madison Papers)
26 December 1803, Paris. “We send you inclosed Copies of certain Letters which have passed...