A late 16th-century transcript of the White Book of Rhydderch
- s. xviex
- s. xvii1
- John Davies [of Mallwyd]
Miscellany of Welsh and some Latin prose texts of various kinds.
- s. xv1
- Siancyn ap Dafydd ap Gruffudd
Welsh manuscript, an early witness to poems written by the Gogynfeirdd.
- William Owen Pughe