Sources
No documents in the language have been found, but a few inscriptions have been identified. The Bath curse tablets, found in the Roman feeder pool at 展开

• Filppula, M.; Klemola, J.; Pitkänen, H. (2001); The Celtic Roots of English, (Studies in Languages, No. 37); University of Joensuu, Faculty of … 展开

Brittonic-derived place names are scattered across Great Britain, with many occurring in the West Country; however, some of these may be pre-Celtic. The best example is perhaps that of each (river) Avon, which comes from the Brittonic aβon[a], "river" … 展开

• Celtic Personal Names of Roman Britain
• Roman road stations of the Cannock-Chase area
• Alex Mullen (2007), "Evidence for Written Celtic from Roman Britain: A Linguistic Analysis of Tabellae Sulis 14 and 18", Studia Celtica 展开