^Parry, John (1946). "The Revival of Cornish: An Dasserghyans Kernewek". PMLA. Modern Language Association. 61 (1): 258-268. doi:10.2307/459233. JSTOR459233.
^Beresford Ellis, Peter (1990). The Story of the Cornish Language. Tor Mark Press. ss. 19-25. ISBN0-85025-371-3. Of John Davey of Zenmor who died in 1891, it was claimed that he was the last surviving native speaker of the language. His stone memorial reads 'John Davey 1812-1891 of Boswednack in this parish ... who was the last to possess any traditional considerable knowledge of the Cornish Language.'