1Thomas Cooper to Thomas Jefferson, 21 June 1819 (Jefferson Papers)
Lovett, Robert; as engraver [index entry]
2Thomas Jefferson to Thomas Cooper, 11 July 1819 (Jefferson Papers)
Lovett, Robert; as engraver [index entry]
3Thomas Cooper to Thomas Jefferson, 28 July 1819 (Jefferson Papers)
Lovett, Robert; as engraver [index entry]
4Robert Lovett to Thomas Jefferson, 12 August 1819 (Jefferson Papers)
Lovett, Robert; as engraver [index entry]
5Thomas Jefferson to Robert Lovett, 20 October 1819 (SJL description) (Jefferson Papers)
Lovett, Robert; as engraver [index entry]
6Thomas Jefferson to John Vaughan, 9 April 1820 (Jefferson Papers)
Lovett, Robert; as engraver [index entry]