1Thomas Jefferson to Nathaniel Bowditch, 2 May 1815 (Jefferson Papers)
I thank you, Sir, for your highly scientific pamphlet on the motion of the Pendulum, and more...
2Thomas Jefferson to DeWitt Clinton, 2 May 1815 (Jefferson Papers)
Your favor of Apr. 6. has been duly recieved, with the circular letter it inclosed from the...