Meyer, Kuno, ed. (1901), «The Expulsion of the Dessi», Y CymmrodorXIV, London: Honourable Society of Cymmrodorion, pp. 101 - 135|publication-date= y |fecha-publicación= redundantes (ayuda).
wikipedia.org
en.wikipedia.org
Annals of the Four Masters M 465.4; it gives a much earlier date than the other annals for his death placing it in 465
