Historia Brenhinedd y Brytanyeit,
- NLW MS 5266B [RESTRICTED ACCESS].
- Ffeil
- [late 12 cent.].
An early version of the translation of Geoffrey of Monmouth's 'Historia Regum Britanniae'.
This text was edited by Henry Lewis and published by the University of Wales Press Board in 1942 (see Brut Dingestow, ed. by Henry Lewis (Cardiff: University of Wales Press, 1942)).