- ^ Rulers with names in italics are considered fictional
- ^ Mackenzie, E; Ross, M (1834). An Historical, Topographical, and Descriptive View of the County Palatine of Durham. Vol. I. Newcastle upon Tyne: Mackenzie and Dent. p. xi. Retrieved 2012-02-28.
- ^ Downham, Clare (2007), Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014, Edinburgh: Dunedin, ISBN 978-1-903765-89-0, OCLC 163618313
- ^ Woolf, Alex (2007), From Pictland to Alba, 789–1070, The New Edinburgh History of Scotland, Edinburgh: Edinburgh University Press, ISBN 978-0-7486-1234-5, OCLC 123113911
- ^ Zaluckyj, Sarah & Feryok, Marge. Mercia: The Anglo-Saxon Kingdom of Central England (2001) ISBN 1-873827-62-8
- ^ Barbara Yorke (1995), Wessex in the early Middle Ages, A & C Black, ISBN 071851856X; pp 79-83; table p. 81
- ^ Kelly, S. E. (2004). "Kings of the South Saxons (act. 477–772)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/52344. Retrieved 2017-02-03. (Subscription, Wikipedia Library access or UK public library membership required.)
- ^ Keynes, Simon (2014). "Appendix I: Rulers of the English, c.450–1066". In Lapidge, Michael (ed.). The Wiley-Blackwell Encyclopedia of Anglo-Saxon England. Chichester: John Wiley & Sons. ISBN 978-0-470-65632-7.
- ^ Kirby, D. P. The Earliest English Kings. London and New York: Routledge. ISBN 978-0-4152-4211-0.
- ^ Lapidge, M.; et al., eds. (1999). "Kings of the East Angles". The Blackwell Encyclopedia of Anglo-Saxon England. London: Blackwell. ISBN 978-0-6312-2492-1.
- ^ Searle, W. G. 1899. Anglo-Saxon Bishops, Kings and Nobles.
- ^ Yorke, B. 1990. Kings and Kingdoms of Early Anglo-Saxon England.
- ^ Carpenter, Clive. Kings, Rulers and Statesmen. Guinness Superlatives, Ltd.
- ^ Ross, Martha. Rulers and Governments of the World, Vol. 1. Earliest Times to 1491.
- ^ Ashley, Michael (1998). British Monarchs: the Complete Genealogy, Gazetteer, and Biographical Encyclopedia of the Kings & Queens of Britain. London: Robinson. ISBN 978-1-8548-7504-4.
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