References Fanning, Steven. "Bede, Imperium, and the Bretwaldas." Speculum 66 (1991): 1–26. Wormald, Patrick. "Bede, the Bretwaldas and the Origins of the Gens Anglorum." In Ideal and Reality in Frankish and Anglo-Saxon Society, ed. P. Wormald et al. Oxford, 1983. 99–129.
References Fanning, Steven "Bede, Imperium, and the Bretwaldas." Speculum 66 (1991): 1–26. Wormald, Patrick. "Bede, the Bretwaldas and the Origins of the Gens Anglorum." In Ideal and Reality in Frankish and Anglo-Saxon Society, ed P. Wormald et al. Oxford, 1983. 99–129