1Thomas Jefferson to Archibald Thweatt, 29 May 1810 (Jefferson Papers)
Ursula (TJ’s slave; b. ca.1737) [index entry]
2Archibald Thweatt to Thomas Jefferson, 4 June 1810 (Jefferson Papers)
Ursula (TJ’s slave; b. ca.1737) [index entry]
3Thomas Jefferson to Thomas Ladd, 11 June 1810 (Jefferson Papers)
Ursula (TJ’s slave; b. ca.1737) [index entry]