Freeman, Philip (1999). The Survival of Etruscan. Page 82: "Oscan graffiti on the walls of Pompeii show that non-Latin languages could thrive in urban locations in Italy well into the 1st century CE."
web.archive.org
"Oscan". Ancient Scripts. Archived from the original on 25 October 2015. Retrieved 4 November 2011.
Cooley, Alison; Burnett, Andrew M. (2002). Becoming Roman, writing Latin? : literacy and epigraphy in the Roman West. Journal of Roman Archaeology. ISBN1-887829-48-2. OCLC54951998.
Clackson, James; Horrocks, Geoffrey C. (2011). The Blackwell history of the Latin language. Malden, MA: Wiley-Blackwell. ISBN978-1-4443-3920-8. OCLC126227889.