Gwynllyw

Oxford Dictionary of National Biography

S. Baring-Gould and John Fisher The Lives of the British Saints (London: Honourable Society of Cymmrodorion, 1911), 234⁠–41    Darllen ar-lein

David Farmer The Oxford Dictionary of Saints (Oxford: Oxford University Press, 2011), 204

Elissa Henken Traditions of the Welsh Saints (Cambridge: D.S. Brewer, 1987), 104⁠–5, 350⁠–1

K.M. Evans A Book of Welsh Saints (Penarth: Church in Wales Publications, 1967), 50⁠–3

Thomas Charles-Edwards 'Gwynllyw (fl. 6th cent.)' yn Oxford Dictionary of National Biography (Oxford: Oxford University Press, 2004)    Darllen ar-lein