"The Submission of Irish Kings in Fact and Fiction: Henry II, Bendigeidfran, and the dating of the "Four Branches of the Mabinogi"", "Cambridge Medieval Celtic Studies", 22 (Winter 1991): 31–61.
«The Submission of Irish Kings in Fact and Fiction: Henry II, Bendigeidfran, and the dating of the "Four Branches of the Mabinogi"», "Cambridge Medieval Celtic Studies", 22 (Winter 1991): 31-61.