1Thomas Jefferson to John Armstrong, 6 March 1809 (Jefferson Papers)
Strickland, Sir William [index entry]
2Thomas Jefferson to David Bailie Warden, 8 July 1811 (Jefferson Papers)
Strickland, Sir William [index entry]
3John Guillemard to Thomas Jefferson, 28 October 1815 (Jefferson Papers)
Strickland, Sir William [index entry]