1Thomas Jefferson to Marcus Dyson, 19 May 1816 (Jefferson Papers)
chemistry; scholars of [index entry]
2Thomas Cooper to Thomas Jefferson, 10 May 1810 (Jefferson Papers)
chemistry; scholars of [index entry]
3Patrick Kerr Rogers to Thomas Jefferson, 21 May 1819 (Jefferson Papers)
chemistry; scholars of [index entry]
4Barthélemy Faujas de Saint-Fond to Thomas Jefferson, [ca. November 1809] (Jefferson Papers)
chemistry; scholars of [index entry]