1Thomas Jefferson to Peter Carr, 7 September 1814 (Jefferson Papers)
botany; study of [index entry]
2Thomas Jefferson to Thomas Cooper, 7 October 1814 (Jefferson Papers)
botany; study of [index entry]
3Thomas Jefferson to William Steptoe, 13 September 1815 (Jefferson Papers)
botany; study of [index entry]
4Thomas Jefferson to Christopher Clark, 14 September 1815 (Jefferson Papers)
botany; study of [index entry]
5Thomas Jefferson to José Corrêa da Serra, 22 September 1815 (Jefferson Papers)
botany; study of [index entry]
6Thomas Jefferson to John Milledge, 22 September 1815 (Jefferson Papers)
botany; study of [index entry]
7Thomas Jefferson to John Rhea, 22 September 1815 (Jefferson Papers)
botany; study of [index entry]
8Thomas Jefferson to Francis Eppes, 6 October 1820 (Jefferson Papers)
botany; study of [index entry]
9Thomas Jefferson to Thomas Cooper and John Wayles Eppes, 16 September 1821 (Jefferson Papers)
botany; study of [index entry]