1José Corrêa da Serra to Thomas Jefferson, 31 October 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
2José Corrêa da Serra to Thomas Jefferson, 16 September 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]
3José Corrêa da Serra to Thomas Jefferson, 22 March 1819 (Jefferson Papers)
Pennsylvania, University of [index entry]
4José Corrêa da Serra to Thomas Jefferson, 2 October 1819 (Jefferson Papers)
Pennsylvania, University of [index entry]