21Thomas 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...
22To 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...
23To 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...
24Thomas 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...