↑Stanley, E. G. (1981). "The date of Beowulf: some doubts and no conclusions". In Chase, Colin (ed.). The Dating of Beowulf. Toronto Old English Series. Vol. 6. Toronto: University of Toronto Press. pp. 197-212.
↑"Beowulf" (PDF). South Africa: MU. Archived from the original on 24 March 2014.