1Carlo Botta to Thomas Jefferson, 29 November 1815 (Jefferson Papers)
Il Camillo, o Vejo Conquistata (C. G. G. Botta) [index entry]
2Carlo Botta to Thomas Jefferson, 10 January 1816 (Jefferson Papers)
Il Camillo, o Vejo Conquistata (C. G. G. Botta) [index entry]
3David Bailie Warden to Thomas Jefferson, 20 February 1816 (Jefferson Papers)
Il Camillo, o Vejo Conquistata (C. G. G. Botta) [index entry]