1Robert B. Stark to Thomas Jefferson, 20 August 1818 (Jefferson Papers)
plants; medicinal properties of [index entry]
2Thomas Jefferson to Robert B. Stark, 7 October 1818 (Jefferson Papers)
plants; medicinal properties of [index entry]
3Thomas Jefferson to James Ewell, 7 November 1819 (Jefferson Papers)
plants; medicinal properties of [index entry]
4Thomas Jefferson to Lyman Spalding, 11 December 1819 (Jefferson Papers)
plants; medicinal properties of [index entry]
5José Corrêa da Serra’s Plan for a Botanical Garden, [by 4 August 1820] (Jefferson Papers)
plants; medicinal properties of [index entry]