A treaty against the Turks,
Geiriau perthnasol i benodau neilltuol,
Ancient laws, etc.,
The consuetudinary of Sarum,
Secretum secretorum, etc.,
Philosophical tracts,
Miscellanea,
Steganographiae,
A passional
Records relating to Merionethshire
Bede's De natura rerum,
Ecclesiastica historia gentis Anglorum,
De consolatione philosophie,
The Book of Taliesin,
Awdlau Cynddelw, Breuddwyd Pawl, &c.,
Ystoria Charlymaen,
Breuddwyd Macsen Wledig,
Historia Gruffudd fab Cynan and natural treatise
Brut y Tywysogion and grammar,
Fragment of Brut y Brenhinedd,
