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...
4From Thomas Jefferson to Caspar Wistar, 16 December 1800 (Jefferson Papers)
Having lately recieved from Count Rumford , one of the managers of the Royal institution of Great...
5From Thomas Jefferson to Caspar Wistar, 16 December 1800 (Jefferson Papers)
I have written you a letter of this date to be laid before the society. this is for yourself...
6From Thomas Jefferson to Caspar Wistar, 3 February 1801 (Jefferson Papers)
According to your desire I wrote to Chancellor Livingston on the subject of the bones. the...
7To 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...
8From Thomas Jefferson to Caspar Wistar, 31 March 1801 (Jefferson Papers)
By the preceding post you will have recieved some Observations transmitted [here] by Mr. Legaux,...
9To 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,...
10From Thomas Jefferson to Caspar Wistar, 4 December 1801 (Jefferson Papers)
I have the pleasure to inclose for communication to the society observations made on a lunar...