A transcript, in the hand of Evan Evans (Ieuan Fardd), of 'Brut Gruf. ab Arthur', a compiled version of Brut y Brenhinedd 'transcribed from a very old copy of the British History on Vellum' (NLW MS 1978iB, ff. 1-109 verso, and NLW MS 1978iiB, ff. 110-261 verso); together with copies of correspondence, 1758-1765, of Edward Richard of Ystrad Meurig School and Lewis Morris, relating to Ieuan Fardd, Morris's health, literary criticism and Celtic antiquities, with special reference to Camden and Nennius (NLW MS 1978iB, ff. 111-192); and copies of two letters from 'Dr. Phillipps' [the Rev. James Phillips], Blaen y Pant, to Edward Richard (NLW MS 1978iB, ff. 192-194). Also included is a table of contents (ff. 195-196) and a pedigree of St David (f. 261 verso).
The text of Brut y Brenhinedd was the original of the text of Brut Gruffydd ab Arthur printed in the second volume of the Myvyrian Archaiology of Wales.