9 September 2022. ↑ Kessler, P. L. "Kingdoms of Cymru Celts – Wales / Cymru". www.historyfiles.co.uk. Retrieved 26 July 2022. ↑ Hughes, Jonathan, "Politics and the occult at the Court of Edward IV", Princes and Princely Culture: 1450–1650, Brill, 2005, pp. 112–113. ↑ D.R. Woolf, "The power of the past: history, ritual and political authority in Tudor England", in Paul A. Fideler, Political Thought and the Tudor Commonwealth:Deep Structure, Discourse, and Disguise, New York, 1992, pp. 21–22. ↑ "Kings and Princes of Wales".