Cawrdaf

The Lives of the British Saints (London: Honourable Society of Cymmrodorion, 1911), 205    Darllen ar-lein

'Parochiale Wallicanum' yn Y Cymmrodor (1910), 50

The Lives of the British Saints (London: Honourable Society of Cymmrodorion, 1908), 96    Darllen ar-lein

Parochiale Anglicanum (London: 1733), 190

Thesaurus Rerum Ecclesiasticarum (London: 1754), 474

An Essay on the Welsh Saints or the Primitive Christian usually considered to have been the Founders of Churches in Wales (London: Longman, Rees, Orme, Brown, Green and Longman, 1836), 270