1Thomas Jefferson to Elijah Griffiths, 15 May 1820 (Jefferson Papers)
I recieved in due time your favor of April 7. & it revived pleasing recollections of our former...
2Thomas Jefferson to Elijah Griffiths, 5 January 1821 (Jefferson Papers)
Your favor of Dec. 11. has been recieved, and certainly no one would more gladly be useful to you...