1Thomas Appleton to Thomas Jefferson, 27 September 1816 (Jefferson Papers)
Theus, Simeon; as collector at Charleston [index entry]
2Thomas Jefferson to Simeon Theus, 17 February 1817 (Jefferson Papers)
Theus, Simeon; as collector at Charleston [index entry]
3Thomas Jefferson to Simeon Theus, 20 February 1817 (Jefferson Papers)
Theus, Simeon; as collector at Charleston [index entry]