Alcock, Leslie. Arthur's Britain. London 1971:1-141, 351-64.
Ashe Geoffrey. "A Certain Very Ancient Book." Speculum 56 (1981):301-23.
Ashe Geoffrey. The Discovery of King Arthur. Garden City, NY, 1985.
Ashe Geoffrey. "The Historical Origins of the Arthurian Legend." in: The Vitality of the Arthurian Legend: A Symposium, ed. by Mette Pors. Odense 1988:25-43.
Barber, Richard. The Figure of Arthur. Cambridge 1972.
Chambers, E. K. Arthur of Britain. London 1927:1-99, 168-232, (repr. new York 1967).
Collingwood, R. G. and J. N. L. Myres. Roman Britain and the English Settlements. London 1937:321-26.
Dumville, David. "Sub-Roman Britain: History and Legend." History 62 (1977):173-91.
Dunning, R. W. Arthur: The King in the West. New York 1988:23-32, 111-42.
Jackson, Kenneth Hurlstone. "The Arthur of History" and "Arthur in Early Welsh Verse." in: Arthurian Literature in the Middle Ages, ed. by R .S. Loomis. Oxford 1959:1-19
Jones, W. Lewis. King Arthur in History and Legend. Cambridge 1911.
Loomis, R. S. Celtic Myth and Arthurian Romance. Chicago 1997:311-55.
Kennedy, Edward Donald (Ed.). King Arthur: A Casebook. New York 1996.
Korrel, Peter. An Arthurian Triangle: A Study of the Origin, Development and Characterization of Arthur, Guinevere and Modred. Leiden 1984.
Morris, John. The Age of Arthur. New York 1973:87-141.
Morris, Rosemary. The Character of King Arthur in Medieval Literature. Cambridge 1982.
Padel, O. J. "The Nature of Arthur." Cambrian Medieval Celtic Studies 27 (Summer 1994):1-31.