Lexicon Cornu-Britannicum [etc.],
- 1138E.
- Ffeil
- [1865x1900].
Rhan oCwrtmawr manuscripts
A copy of Robert Williams, Lexicon Cornu-Britannicum (Llandovery, 1865), with corrections, notes, preface, the Lord's Prayer, the Ten Commandments and a list of subscribers in manuscript.