ブリトン人の歴史
Alcock, Leslie (1971), Arthur's Britain: History and Archaeology AD 367-634 (London: Penguin)
Fletcher, Robert Huntington (1906), “The Arthurian material in the chronicles” (google), Studies and Notes in Philology and Literature 10: pp. 32-4, オリジナルの3-11-2008時点におけるアーカイブ。, https://archive.org/details/arthurianmateri00fletgoog
Dumville, David N. (1974), “Some aspects of the chronology of the Historia Brittonum”, Bulletin of the Board of Celtic Studies 25.4: 439-45
Liebermann, F.