1From Thomas Jefferson to John Jacob Astor, 13 April 1808 (Jefferson Papers)
I have regretted the delay of this answer to your letter of Feb. 27. but it has proceeded from...
2Thomas Jefferson to John Jacob Astor, 24 May 1812 (Jefferson Papers)
Your letter of Mar. 14. lingered much on the road & a long journey, before I could answer it, has...
3Thomas Jefferson to John Jacob Astor, 9 November 1813 (Jefferson Papers)
Your favor of Oct. 18. has been duly rec d and I learn with great pleasure the progress you have...