^Lewis Glyn Cothi, The Poetical Works of Lewis Glyn Cothi: A Celebrated Bard ... (Google eBook) (Cymmrodorion, 1837) page37.
^Browne Willis, A Survey of the Cathedrals of York, Durham, Carlisle, Chester, Manchester(T. Osborne Gray's Inn and T. Bacon in Dublin, 1742)page 190.
^Lewis Glyn Cothi, The Poetical Works of Lewis Glyn Cothi: A Celebrated Bard ... (Google eBook) (Cymmrodorion, 1837)p209.
^George William Manby, The History and Antiquities of the Parish of Saint David, South-Wales, the Most Ancient Documents Collected from the Bodleian Library: To which is Annexed, a Correct List of the Archbishops, Bishops, &c. who Have Filled that Sée (Harding, 1801) page 115.
^Lewis Glyn Cothi, The Poetical Works of Lewis Glyn Cothi: A Celebrated Bard ... (Google eBook) (Cymmrodorion, 1837) page 314.
^Rice Rees, An Essay on the Welsh Saints Or the Primitive Christians, Usually Considered to Have Been the Founders of the Churches in Wales (Google eBook) (Longman, Rees, Orme, Brown, Green, and Longman, 1836) page 298.
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