1Carlo Botta to Thomas Jefferson, 29 November 1815 (Jefferson Papers)
Valli, Eusebio Giacinto; introduced to TJ by C. G. G. Botta [index entry]
2Eusebio Valli to Thomas Jefferson, 26 April 1816 (Jefferson Papers)
Valli, Eusebio Giacinto; introduced to TJ by C. G. G. Botta [index entry]