1Jeremiah Sullivan and Theophilus Pettigrue to Thomas Jefferson, 9 August 1819 (Jefferson Papers)
marble; Potomac [index entry]
2William A. Burwell to Thomas Jefferson, 15 December 1819 (Jefferson Papers)
marble; Potomac [index entry]
3Thomas Jefferson to William A. Burwell, 25 December 1819 (Jefferson Papers)
marble; Potomac [index entry]