1Thomas Jefferson to George Jefferson, 18 May 1809 (Jefferson Papers)
Indians; dialects of [index entry]
2Benjamin Smith Barton to Thomas Jefferson, 14 September 1809 (Jefferson Papers)
Indians; dialects of [index entry]
3Thomas Jefferson to Benjamin Smith Barton, 21 September 1809 (Jefferson Papers)
Indians; dialects of [index entry]
4Johann Severin Vater to Thomas Jefferson, 4 November 1809 (Jefferson Papers)
Indians; dialects of [index entry]