1Thomas Sewall to Thomas Jefferson, 30 March 1820 (Jefferson Papers)
When the accompanying letter, seeds & pamphlet of D r Mitchill , were handed me, I anticipated...
2To Thomas Jefferson from Thomas Sewall, 7 July 1825 (Jefferson Papers)
Though not Known to you except by a letter from D r Mitchill of N. York which I enclosed to you...
3To James Madison from Thomas Sewall, 7 November 1825 (Madison Papers)
Though you are removed from the seat of the National Government believing that you still cherish...
4To Thomas Jefferson from Thomas Sewall, 7 November 1825 (Jefferson Papers)
Believing that you Still continue to cherish an interest in the literary & Scientific...