| Campbell, Chronicle of Æthelweard, pp. 334-5 in S. Keynes and M. Lapidge, Alfred the Great, pg. 12 | |
| James Campbell, The Anglo-Saxons, pg. 144 | |
| A.Baugh & T. Cable, A History of the English Language, pp. 90-1 | |
| James Campbell, The Anglo-Saxons, pg. 144 | |
| S. Keynes and M. Lapidge, Alfred the Great, pp. 12-3 | |