1Charles Willson Peale to Thomas Jefferson, 2 March 1818 (Jefferson Papers)
Lesueur, Charles Alexandre; French naturalist [index entry]
2John Vaughan to Thomas Jefferson, 19 June 1819 (Jefferson Papers)
Lesueur, Charles Alexandre; French naturalist [index entry]
3Thomas Jefferson to John Vaughan, 29 June 1819 (Jefferson Papers)
Lesueur, Charles Alexandre; French naturalist [index entry]
4Enclosure: Report on Thomas Cooper’s Collection of Minerals, 9 July 1819 (Jefferson Papers)
Lesueur, Charles Alexandre; French naturalist [index entry]