1John Vaughan to Thomas Jefferson, 19 March 1815 (Jefferson Papers)
Dickey, Robert; mentioned [index entry]
2John Vaughan to Thomas Jefferson, 26 February 1816 (Jefferson Papers)
Dickey, Robert; mentioned [index entry]
3Thomas Appleton to Thomas Jefferson, 15 May 1816 (Jefferson Papers)
Dickey, Robert; mentioned [index entry]