- NLW MS 21758D.
- File
- 1978 /
An Oxford DPhil thesis by Ceridwen Lloyd-Morgan, 1978, entitled 'A Study of Y Seint Greal in relation to a Queste del Saint Graal and Perlesvaus', studying the provenance of the Middle Welsh prose romance and its relation to its Old French sources.
Lloyd-Morgan, Ceridwen.