1. Manuscripts
2. National Archives Ms. E36
3. The Anglo-Saxon Chronicle. Originally compiled on the orders of King Alfred the Great approximately A.D. 890 and subsequently maintained and added to by generations of anonymous scribes until the middle of the 12th Century . 2007. Translation by Rev. James Ingram (London 1823) with additional readings from the translation of Dr. J.A. Giles (London 1847). Gloucester: Dodo Press.
4. Henry of Huntingdon. 1996. Historia Anglorum: The History of the English People. Edited and translated by Diana Greenway. Oxford Medieval Texts. Oxford: Clarendon Press.
5. John of Worcester. 1995, 1998. The Chronicle of John of Worcester. Vol. 3 edited by P. McGurk. Oxford.