1David Bailie Warden to Thomas Jefferson, 10 December 1811 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
2John Vaughan to Thomas Jefferson, 1 May 1812 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
3Thomas Jefferson to John Vaughan, 25 May 1812 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
4John Vaughan to Thomas Jefferson, 8 June 1812 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
5Thomas Jefferson to John Vaughan, 3 July 1812 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
6David Bailie Warden to Thomas Jefferson, 1 November 1812 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]
7Thomas Jefferson to David Bailie Warden, 29 December 1813 (Jefferson Papers)
Genealogical, chronological, historical, and geographical atlas (Las Cases) [index entry]