C. Plummer (Oxford, 1896); Anglo-Saxon Chronicle, ed.
On the seaward side of the Ness there is a large ancient earthwork which is attributed to the Norsemen through a reference in the Saxon Chronicle (894) under the name Sceobrig.
436, the period of its introduction may certainly be dated some 500 years previous to the Welsh chronicle and even much earlier."
See Bede, Historia Ecclesiastica, ii., iii., iv., v., edited by C. Plummer (Oxford, 1896); Anglo-Saxon Chronicle, edited by Earle and Plummer (Oxford, 1899).
It is rough in form and the author shows no power of discriminating between important and unimportant events; yet the chronicle is an excellent authority for the history of Saxony during the reigns of the emperors Otto III.