There is no separate tractate in Welsh law discussing the church, but there are references throughout the texts to clerics and church matters. There are also references which acknowledge canon law, the Church of Rome’s legal system. The law of Hywel was regularly criticized by the Normans for contradicting church law.
Ellis, T. P., ‘The Catholic Church in the Welsh Laws’, Y Cymmrodor 42 (1931), 1-68.
Ifans, D., William Salesbury and the Welsh Laws (Pamffledi Cyfraith Hywel, Aberystwyth, 1980).
James, C., ‘Ban Wedy i Dynny: Medieval Welsh Law and Early Protestant Propaganda’, Cambrian Medieval Celtic Studies 27 (1994), 61-86.
Jenkins, D., ‘The Date of the ‘Act of Union’’, Bulletin of the Board of Celtic Studies 23 (1968-70), 345-346.
Pryce, H., ‘Ecclesiastical sanctuary in Thirteenth-century Welsh law’, The Journal of Legal History 5.3 (1984), 1-13. Reprinted in A. Kiralfy et al. (eds.), Custom, Courts and Counsel (Frank Cass, London, 1985), 1-13.
*Pryce, H., Native Law and the Church in Medieval Wales (Oxford, 1993).
Pryce, H., ‘Yr eglwys a’r gyfraith yng Nghymru’r oesoedd canol’, in G. H. Jenkins (ed.), Cof Cenedl X (Llandysul, 1995), 1-30.
Pryce, H., ‘Welsh Custom and Canon Law, 1150-1300’ in K. Pennington, S. Chowdrow and K. H. Kendall (eds.), Proceedings of the Tenth International Congress of Medieval Canon Law (Vatican City, 2001), 781-97.
Smith, Ll. Beverley, ‘A View from an Ecclesiastical Court: Mobility and Marriage in a Border Society at the End of the Middle Ages’, in R. R. Davies and G. H. Jenkins (eds.), From Medieval to Modern Wales: Historical Essays in Honour of Kenneth O. Morgan and Ralph A. Griffiths (Cardiff, 2004), 64-80.