- Peniarth MS 50 [RESTRICTED ACCESS].
- Ffeil
- [c. 1445].
A collection of vaticinatory prose and verse in Welsh, Latin and English, dated c. 1445, written by a scribe identified as 'Dafydd' and including prophecies, Welsh history, and a prescription for a recipient 'out of mynde'.
Included are verses associated with Myrddin and Taliesin and a collection of verse by Rhys Fardd.