1Joshua Gilpin to Thomas Jefferson, 12 February 1810 (Jefferson Papers)
Senate, U.S.; and public works [index entry]
2Pierre Samuel Du Pont de Nemours to Thomas Jefferson, [ca. 28 July 1810] (Jefferson Papers)
Senate, U.S.; and public works [index entry]
3James Madison to Thomas Jefferson, 15 February 1817 (Jefferson Papers)
Senate, U.S.; and public works [index entry]
4Thomas Jefferson to Albert Gallatin, [before 6 June 1817] (Jefferson Papers)
Senate, U.S.; and public works [index entry]
5John Wayles Eppes to Thomas Jefferson, 11 December 1817 (Jefferson Papers)
Senate, U.S.; and public works [index entry]