1Thomas Jefferson to Claudius Crozet, 23 November 1821 (Jefferson Papers)
I thank you, Sir, for your kind attention in sending me a copy of your valuable treatise on...
2Thomas Jefferson to Claudius Crozet, 31 March [1821] (Jefferson Papers)
Your favor from Westpoint has been duly recieved. we are as yet far from the time at which we may...