31From 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,...
32To 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...
33To 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...
34To 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...
35Thomas 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...
36From James Madison to Thomas Cooper, ca. 5 July 1810 (Madison Papers)
Letter not found. Ca. 5 July 1810. Acknowledged in Cooper to JM, 9 July 1810 . Congratulates...
37To James Madison from Thomas Cooper, 9 July 1810 (Madison Papers)
Col. Patten of the post office here, was so good as to hand me your obliging letter relating to...
38Thomas 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...
39To James Madison from Thomas Cooper, 19 August 1810 (Madison Papers)
The liberty I am now about to take, I take on reflection; persuaded that if I am mistaken in my...
40From James Madison to Thomas Cooper, 4 September 1810 (Madison Papers)
I have recd. your favor of the 19th. Aug. and have transmitted the request it makes, to Mr....