21To Thomas Jefferson from Thomas Cooper, 9 August 1807 (Jefferson Papers)
I received your letter here on my return from the Court of Erors & Appeals at Philadelphia. I...
22From Thomas Jefferson to Thomas Cooper, 1 September 1807 (Jefferson Papers)
Your favor of the 9th. is recieved & with it the copy of Dr. Priestley’s Memoirs, for which I...
23To Thomas Jefferson from Thomas Cooper, 16 October 1808 (Jefferson Papers)
After four years perseverance I have succeeded in calling the attention of our State Legislature...
24From Thomas Jefferson to Thomas Cooper, 27 October 1808 (Jefferson Papers)
When I recieved your letter of the 16th. I thought I had not a copy of my Report on Measures,...
25To Thomas Jefferson from Thomas Cooper, 4 December 1808 (Jefferson Papers)
I have finished a brief account of what has been done on the subject of a Standard for weights...
26To Thomas Jefferson from Thomas Cooper, 5 February 1809 (Jefferson Papers)
I was extremely glad to see the result of the Meeting in Philadelphia in favour of the measures...
27To Thomas Jefferson from Thomas Cooper, 19 February 1809 (Jefferson Papers)
intended to have proceeded from hence to Was[hington] the place ere your departure, but I find I...
28Thomas Cooper to Thomas Jefferson, 10 May 1810 (Jefferson Papers)
On my coming from England in 1793 I brought with me a very good collection of minerals: the...
29Thomas Jefferson to Thomas Cooper, 6 August 1810 (Jefferson Papers)
The tardiness of acknoleging the reciept of your favor of May 10. will I fear induce a...
30Thomas Cooper to Thomas Jefferson, 14 September 1810 (Jefferson Papers)
I acknowledge with many thanks your kind letter giving me an account of your application to Mr...