Abels, Richard (1998): . Longman. ISBN 0-582-04047-7. Babington, Anthony (1978): . Published by B. Rose. ISBN 0-85992-108-5. Chisholm, Hugh (1910): (11. utg.). Foot, Sarah (2011): . Yale University Press. ISBN 978-0-300-12535-1. Dumville, David (1979): «The ætheling: a study in Anglo-Saxon constitutional history» i: . Johnson, Rossiter; Horne, Charles Francis; Rudd, John (1905): . The National Alumni. Keynes, Simon; Lapidge, Michael, red. (1983): . Penguin Classics. ISBN 978-0-14-044409-4. Keynes, Simon (November 1994): «The West Saxon Charters of King Æthelwulf and his sons» i: . ISSN 0013-8266. Kirby, D. P. (2000): , revi. utg.,. Routledge. ISBN 0-415-24211-8. Lyon, Henry R. (1967): . Oxford University Press. Oman, Charles W. C. (1972): . Ayer Publishing. ISBN 0-8369-9920-7. Oman, Charles W. C. (1910): . Methuen. Stephen, Leslie, red. (1889): «Ethelred (d.871)» i: . London: Smith, Elder & Co.