1. Eileen A. Williams, ‘A Bibliography of Giraldus Cambrensis, c. 1147–c. 1223’, National Library of Wales Journal 12 (1961–62): 97–140.
2. Gerald of Wales, De rebus a se gestis, ed. J.S. Brewer, J.F. Dimock, and George F. Warner, Giraldi Cambrensis Opera I (London: Longman et al, 1861).
3. Gerald of Wales, The Autobiography of Gerald of Wales, ed. and trans. H.E. Butler (Woodbridge: Boydell Press, 2005; 1st edn, London 1937).
4. Gerald of Wales, De Invectionibus, ed. by W.S. Davies, Y Cymmrodor 30 (1920).
5. Gerald of Wales, De Iure et Statu Menevensis Ecclesiae Dialogus, ed. J.S. Brewer, Giraldi Cambrensis Opera III (London: Longman et al., 1863), 101–373.