現代の歴史学者たちは『ブリタニア列王史』を、いくらかは中に事実も書かれているが、フィクションだと見なしている。ジョン・モリスはその著書『アーサーの時代(The Age of Arthur)』の中で、この本を「意図的な冗談」と呼んだが、その意見はオックスフォード助祭長ウォルターのことを1世紀後の風刺作家ウォルター・マップ(Walter Map)と誤認したことに基づいている[6]。
^John Morris. The Age of Arthur: A History of the British Isles from 350 to 650. Barnes & Noble Books: New York. 1996 (originally 1973). ISBN 0-7607-0243-8
参考文献
John Jay Parry and Robert Caldwell. Geoffrey of Monmouth in Arthurian Literature in the Middle Ages, Roger S. Loomis (ed.). Clarendon Press: Oxford University. 1959. ISBN 0-19-811588-1
Brynley F. Roberts, Geoffrey of Monmouth and Welsh Historical Tradition, Nottingham Medieval Studies, 20 (1976), 29-40.
J.S.P. Tatlock. The Legendary History of Britain: Geoffrey of Monmouth's Historia Regum Britanniae and its early vernacular versions. University of California Press. Berkeley. 1950.
N. Wright, ed., The Historia regum Britannie of Geoffrey of Monmouth. 1, Bern, Burgerbibliothek, MS. 568 (Cambridge, 1984)
N. Wright, ed., The historia regum Britannie of Geoffrey of Monmouth. 2, The first variant version : a critical edition (Cambridge, 1988)
J. C. Crick, The historia regum Britannie of Geoffrey of Monmouth. 3, A summary catalogue of the manuscripts (Cambridge, 1989)
J. C. Crick, The historia regum Britannie of Geoffrey of Monmouth. 4, Dissemination and reception in the later Middle Ages (Cambridge, 1991)
J. Hammer, ed., Historia regum Britanniae. A variant version edited from manuscripts (Cambridge, MA, 1951)
A. Griscom and J. R. Ellis, ed., The Historia regum Britanniæ of Geoffrey of Monmouth with contributions to the study of its place in early British history (London, 1929)
M. D. Reeve, 'The transmission of the Historia regum Britanniae ', in Journal of Medieval Latin 1 (1991), 73--117
Edmond Faral, La légende Arthurienne: études et documents, 3 vols. (Paris, 1929)
R. W. Leckie, The passage of dominion : Geoffrey of Monmouth and the periodization of insular history in the twelfth century (Toronto, 1981)