1American 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...
2To Thomas Jefferson from Caspar Wistar, 19 October 1800 (Jefferson Papers)
The unceasing calls of my profession have accasioned me to postpone my answer to your esteemed...
3To Thomas Jefferson from Caspar Wistar, 8 December 1800 (Jefferson Papers)
I am not certain that you will have leisure to attend to the subject which follows, but the...
4To Thomas Jefferson from Caspar Wistar, 18 February 1801 (Jefferson Papers)
I should have replied sooner to your favour of Feby. 3d. but I did not wish to intrude upon you...
5To Thomas Jefferson from Caspar Wistar, [before 9 April 1801] (Jefferson Papers)
Permit me to offer you my most sincere & affectionate congratulations on the recent election,...
6To James Madison from Caspar Wistar, Jr., 15 October 1801 (Madison Papers)
Letter not found. 15 October 1801. Calendared as a three-page letter in the lists probably made...
7To Thomas Jefferson from Caspar Wistar, 1 January 1802 (Jefferson Papers)
The fear of intruding upon you at a time when you had not leisure, & the belief that you seldom...
8To Thomas Jefferson from Caspar Wistar, 10 April 1802 (Jefferson Papers)
I have delayed my reply to your favour of March 22d. in order to inform myself more fully...
9To Thomas Jefferson from Caspar Wistar, 8 June 1802 (Jefferson Papers)
I feel a considerable degree of embarrassment on the present occasion, but trust to your good...
10To Thomas Jefferson from Caspar Wistar, 15 October 1802 (Jefferson Papers)
I beg leave to recommend to you the Bearer, Mr. P. Kuhn Junr., a very amiable & worthy young...