- NLW MS 733B [RESTRICTED ACCESS].
- Ffeil
- [15 cent.].
Rhan oPlas Power Manuscripts
A version of Piers Plowman which appears to be a composite text connected with the groups called 'A' and 'C'.
Dangos 2 canlyniad
Disgrifiad archifol 
- NLW MS 735C [RESTRICTED ACCESS].
- Ffeil
- [11 cent.]
Rhan oPlas Power Manuscripts
Latin texts in prose and verse, the bulk of the contents relating to astronomy. There are numerous coloured sketches and diagrams.
Aratus, Solensis