Yes, there is New Medieval Celtic Literature
Lisa L. Spangenberg | April 28, 2002
Thanks to a newly discovered medieval Cornish manuscript fragment the amount of Medieval Cornish literature has increased by about twenty percent. The fragment was discovered among the papers of the recently deceased Celticist, J. E. Caerwyn Williams, whose papers were donated to the National Library of Wales.
The manuscript, NLW MS 23849D, consists of ten pairs [...]



