A copy of the Irish catechism Lochran na gcreidmheach (1676) authored by Froinsias Ó Maolmhuaidh (Francis Molloy, Irish Franciscan monk of St Isidore's, Rome).
- s. xviiiex
Welsh manuscript collection of religious texts, mainly in the hand of Hywel Fychan. Other parts of the original manuscript are are in Peniarth MS 12 and Cardiff MS 3.242.
- Hywel Fychan ap Hywel Goch
Welsh lawbook, Blegywryd redaction of the Welsh laws.
- s. xviex
- Roger Morris [of Coed y Talwrn]
Welsh paper manuscript miscellany (268 pp.) in the hand of John David Rhys containing Welsh poetry as well as a vocabulary, a bardic grammar of the Dafydd Ddu recension, the so-called statutes of Gruffudd ap Cynan, a translation of Genesis I, items of biblical and historical interest, etc.
- John David Rhys
Welsh lawbook containing the so-called Blegywryd redaction of medieval Welsh law
- s. xv