1David Bailie Warden to Thomas Jefferson, 12 April 1817 (Jefferson Papers)
...; The Private Correspondence of Benjamin Franklin, LL.D. F.R.S. &c. (ed. W. T. Franklin) [...
2Robert Walsh to Thomas Jefferson, 8 November 1818 (Jefferson Papers)
...; The Private Correspondence of Benjamin Franklin, LL.D. F.R.S. &c. (ed. W. T. Franklin) [...
3Robert Walsh to Thomas Jefferson, 24 December 1818 (Jefferson Papers)
...; The Private Correspondence of Benjamin Franklin, LL.D. F.R.S. &c. (ed. W. T. Franklin) [...
4Louis H. Girardin to Thomas Jefferson, 16 August 1820 (Jefferson Papers)
...; The Private Correspondence of Benjamin Franklin, LL.D. F.R.S. &c. (ed. W. T. Franklin) [...