- Peniarth MS 28 [RESTRICTED ACCESS].
- Ffeil
- [mid-13 cent.]
A Latin text of the Laws of Hywel Dda, being one of the earliest, by a single scribe and dating from the mid 13th century.
The notes on a piece of paper pasted onto the inside the end cover which is now partly perished have been transcribed by Gwenogvryn Evans. There is also a loose piece of paper of modern date at the end of the manucsript with Latin words and numbers on both sides.