1To Thomas Jefferson from John Vaughan, 8 May 1802 (Jefferson Papers)
Your favor enclosing D. Griffith on Longitude was recieved, & the acknowledgement for it is now...
2To Thomas Jefferson from "A Lover of his Country," 9 May 1802 (Jefferson Papers)
Some Time in February last I wrote to You —to which I beg Reference concerning the Opinion I then...