1Eusebio Valli to Thomas Jefferson, 26 April 1816 (Jefferson Papers)
Botta, Carlo Giuseppe Guglielmo; introduces E. G. Valli to TJ [index entry]
2Carlo Botta to Thomas Jefferson, 29 November 1815 (Jefferson Papers)
Botta, Carlo Giuseppe Guglielmo; introduces E. G. Valli to TJ [index entry]