Amlaíb Conung (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Amlaíb Conung" in English language version.

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Fragmentary Annals of Ireland, § 239; Anderson, pp. 281–284 "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014. Anderson, Alan Orr (1922). Early Sources of Scottish History A.D 500–1286. Vol. 1. Stamford: Paul Watkins. ISBN 1-871615-03-8. {{cite book}}: ISBN / Date incompatibility (help) Accessed via Internet Archive.
Anderson, p. 286, note 1; Crawford, p. 47 Anderson, Alan Orr (1922). Early Sources of Scottish History A.D 500–1286. Vol. 1. Stamford: Paul Watkins. ISBN 1-871615-03-8. {{cite book}}: ISBN / Date incompatibility (help) Accessed via Internet Archive. Crawford, Barbara (1987). Scandinavian Scotland. Leicester: Leicester University Press. ISBN 0-7185-1282-0.
Downham, p. 20; Annals of Clonmacnoise, s.a. 862; Annals of the Four Masters, s.a. 862; Annals of Ulster, s.a. 862; Choronicon Scotorum, s.a. 862 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 20; Annals of Clonmacnoise, s.a. 864; Annals of Ulster, s.a. 864; Choronicon Scotorum, s.a. 864 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 21; Annals of Ulster, s.a. 866; Annals of Clonmacnoise, s.a. 866 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive.
Annals of Ulster, s.a. 866; Annals of the Four Masters, s.a. 866; Annals of Clonmacnoise, s.a. 866 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive.
Ó Corrain, pp. 32–33; Downham, pp. 21–22; Annals of Clonmacnoise, s.a. 867; Annals of the Four Masters, s.aa. 866, 867; Annals of Ulster, s.a. 866; Fragmentary Annals of Ireland, §§ 329, 349 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 22; Annals of Boyle, § 255; Annals of Clonmacnoise, s.a. 868; Annals of the Four Masters, s.a. 868; Annals of Inisfallen, s.a. 868; Annals of Ulster, s.a. 868; Chronicum Scotorum, s.a. 868 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of Boyle". Corpus of Electronic Texts (13 February 2010 ed.). University College Cork. 2010. Retrieved 19 December 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Annals of Inisfallen". Corpus of Electronic Texts (23 October 2008 ed.). University College Cork. 2008. Retrieved 18 December 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 869; Annals of Ulster, s.a. 869 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 870; Annals of Ulster, s.a. 870; s.a. 870; Chronicum Scotorum Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Pictish Chronicle, p. xxxiv Skene, William Forbes, ed. (1867). Chronicles of the Picts, chronicles of the Scots, and other early memorials of Scottish history. Edinburgh: HM General Register House. Accessed via Internet Archive.
Landnámabók, pp. xxviii, 62–63 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive.
Landnámabók, p. 63 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive.
Landnámabók, p. 63; Fragmentary Annals of Ireland, § 292 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Landnámabók, p. 63; Annals of Ulster, s.a. 875; Annals of the Four Masters, s.a. 868 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014.
Cogadh Gaedhel re Gallaibh, p. lxxx; Proceedings of the Royal Philosophical Society of Glasgow, Volume 40, p. 96 Todd, JH, ed. (1867). Cogad Gaedel re Gallaib: The War of the Gaedhil with the Gaill. London: Longmans, Green, Reader, and Dyer. Accessed via Internet Archive. Proceedings of the Royal Philosophical Society of Glasgow. Vol. 40. Royal Philosophical Society. 1913.
Pictish Chronicle, p. xxxiv; Landnámabók, p. 63 Skene, William Forbes, ed. (1867). Chronicles of the Picts, chronicles of the Scots, and other early memorials of Scottish history. Edinburgh: HM General Register House. Accessed via Internet Archive. Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive.
Anderson, pp. 305–312 Anderson, Alan Orr (1922). Early Sources of Scottish History A.D 500–1286. Vol. 1. Stamford: Paul Watkins. ISBN 1-871615-03-8. {{cite book}}: ISBN / Date incompatibility (help) Accessed via Internet Archive.

books.google.com (Global: 3^rd place; English: 3^rd place)

The definition as given by Downham is used here: Vikings were "people of Scandinavian culture who were active outside of Scandinavia".^[1] Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. xvi Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. xvii; Ó Corrain, p. 7 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Downham, p. 14 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Holman, p. 107; Clarke et al., p. 62; Ó Corrain, p. 28–29 Holman, Katherine (2003). Historical dictionary of the Vikings. Lanham, Maryland: Scarecrow Press. ISBN 978-0-8108-4859-7. Clarke, Howard B.; Ní Mhaonaigh, Máire; Ó Floinn, Raghnall (1998). Ireland and Scandinavia in the Early Viking Age. Four Courts Press. ISBN 978-1-85182-235-5. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Woolf, p. 108 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5.
Ó Corrain, pp. 6, 30; Downham, p. 17 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 18 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 17 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 17; Annals of Ulster, s.a. 856; Choronicon Scotorum, s.a. 856 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Ó Corrain, p. 30; Downham, p. 18; Annals of the Four Masters, s.a. 858; Choronicon Scotorum, s.a. 858 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Duffy, p. 122 Duffy, Seán (15 January 2005). Medieval Ireland: An Encyclopedia. Routledge. ISBN 978-1-135-94824-5.
Duffy, p. 122; Annals of Ulster, s.a. 847 Duffy, Seán (15 January 2005). Medieval Ireland: An Encyclopedia. Routledge. ISBN 978-1-135-94824-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 19, note 47 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 19; Duffy, p. 122; Annals of Ulster, s.a. 859; Annals of the Four Masters, s.a. 859; Choronicon Scotorum, s.a. 859 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Duffy, Seán (15 January 2005). Medieval Ireland: An Encyclopedia. Routledge. ISBN 978-1-135-94824-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 19 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 19; Annals of the Four Masters, s.a. 860; Annals of Ulster, s.a. 860; Choronicon Scotorum, s.a. 860; Fragmentary Annals of Ireland, § 279 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 19; Annals of the Four Masters, s.aa. 861, 862; Annals of Ulster, s.aa. 861, 862; Choronicon Scotorum, s.a. 861 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 20; Annals of Clonmacnoise, s.a. 862; Annals of the Four Masters, s.a. 862; Annals of Ulster, s.a. 862; Choronicon Scotorum, s.a. 862 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 20 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 20; Annals of Clonmacnoise, s.a. 864; Annals of Ulster, s.a. 864; Choronicon Scotorum, s.a. 864 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, pp. 20–21 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 20; Annals of the Four Masters, s.a. 863; Annals of Ulster, s.a. 863; Choronicon Scotorum, s.a. 863 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 21 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, pp. 64–67, 139–142 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 251 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 21; Annals of Ulster, s.a. 866; Annals of Clonmacnoise, s.a. 866 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive.
Downham, pp. 21–22 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 21; Fragmentary Annals of Ireland, § 326 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Ó Corrain, pp. 32–33; Downham, pp. 21–22; Annals of Clonmacnoise, s.a. 867; Annals of the Four Masters, s.aa. 866, 867; Annals of Ulster, s.a. 866; Fragmentary Annals of Ireland, §§ 329, 349 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 22 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Downham, p. 22; Annals of Inisfallen, s.a. 867 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of Inisfallen". Corpus of Electronic Texts (23 October 2008 ed.). University College Cork. 2008. Retrieved 18 December 2014.
Downham, p. 22; Annals of Boyle, § 255; Annals of Clonmacnoise, s.a. 868; Annals of the Four Masters, s.a. 868; Annals of Inisfallen, s.a. 868; Annals of Ulster, s.a. 868; Chronicum Scotorum, s.a. 868 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of Boyle". Corpus of Electronic Texts (13 February 2010 ed.). University College Cork. 2010. Retrieved 19 December 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Annals of Inisfallen". Corpus of Electronic Texts (23 October 2008 ed.). University College Cork. 2008. Retrieved 18 December 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 869; Annals of Ulster, s.a. 869 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 870; Annals of Ulster, s.a. 870; s.a. 870; Chronicum Scotorum Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Woolf, pp. 109–110; Annals of Ulster, s.a. 870 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Woolf, pp. 109–110; Annals of Ulster, s.a. 871 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, pp. 238–240; Fragmentary Annals of Ireland, § 400 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 142 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Cogadh Gaedhel re Gallaibh, p. lxxx; Proceedings of the Royal Philosophical Society of Glasgow, Volume 40, p. 96 Todd, JH, ed. (1867). Cogad Gaedel re Gallaib: The War of the Gaedhil with the Gaill. London: Longmans, Green, Reader, and Dyer. Accessed via Internet Archive. Proceedings of the Royal Philosophical Society of Glasgow. Vol. 40. Royal Philosophical Society. 1913.
Downham, p. 16, Annals of Ulster, s.a. 867 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 16 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Woolf, p. 95 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5.
South, p. 87 South, Ted Johnson (2002). Historia de Sancto Cuthberto. Boydell & Brewer. ISBN 978-0-85991-627-1.
Downham, p. 68 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Smyth, p. 192 Smyth, Alfred P. (1989). Warlords and Holy Men: Scotland AD 80–1000. Edinburgh University Press. ISBN 978-0-7486-0100-4.
Downham, pp. 249, 265 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.

dias.ie (Global: low place; English: low place)

Radner, p. 322–325 Radner, Joan. "Writing history: Early Irish historiography and the significance of form" (PDF). Celtica. 23: 312–325. Archived from the original (PDF) on 23 September 2015.

doi.org (Global: 2^nd place; English: 2^nd place)

Ó Corrain dates this to 852–853.^[13] Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 2 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 27; Annals of Ulster, s.a. 795 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Ó Corrain, p. 28; Annals of Ulster, s.a. 840 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. xvii; Ó Corrain, p. 7 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 28–29 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Holman, p. 107; Clarke et al., p. 62; Ó Corrain, p. 28–29 Holman, Katherine (2003). Historical dictionary of the Vikings. Lanham, Maryland: Scarecrow Press. ISBN 978-0-8108-4859-7. Clarke, Howard B.; Ní Mhaonaigh, Máire; Ó Floinn, Raghnall (1998). Ireland and Scandinavia in the Early Viking Age. Four Courts Press. ISBN 978-1-85182-235-5. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 7 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 9 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, pp. 14–21; Helle, p. 204 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Helle, Knut, ed. (2003). The Cambridge History of Scandinavia. Volume 1: Prehistory to 1520. Cambridge: Cambridge University Press. ISBN 0-521-47299-7.
Ó Corrain, pp. 22–24 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, pp. 6, 30; Downham, p. 17 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Annals of Ulster, s.a. 856; Ó Corrain, p. 30 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 30; Downham, p. 18; Annals of the Four Masters, s.a. 858; Choronicon Scotorum, s.a. 858 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Ó Corrain, pp. 32–33; Downham, pp. 21–22; Annals of Clonmacnoise, s.a. 867; Annals of the Four Masters, s.aa. 866, 867; Annals of Ulster, s.a. 866; Fragmentary Annals of Ireland, §§ 329, 349 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Ó Corrain, p. 33; Fragmentary Annals of Ireland, § 347 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Hudson Hudson, Benjamin T. (2004). "Óláf the White (fl. 853–871)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49263. Retrieved 5 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.
Costambeys; Fragmentary Annals of Ireland, § 347 Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Costambeys Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.

oup.com (Global: 485^th place; English: 440^th place)

Hudson Hudson, Benjamin T. (2004). "Óláf the White (fl. 853–871)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49263. Retrieved 5 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.
Costambeys; Fragmentary Annals of Ireland, § 347 Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Costambeys Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.

oxforddnb.com (Global: 284^th place; English: 187^th place)

Hudson Hudson, Benjamin T. (2004). "Óláf the White (fl. 853–871)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49263. Retrieved 5 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.
Costambeys; Fragmentary Annals of Ireland, § 347 Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Costambeys Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.

ucc.ie (Global: 3,336^th place; English: 2,097^th place)

Ó Corrain dates this to 852–853.^[13] Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 2 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 27; Annals of Ulster, s.a. 795 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Ó Corrain, p. 28; Annals of Ulster, s.a. 840 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. xvii; Ó Corrain, p. 7 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 28–29 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Annals of Ulster, s.a. 853 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Holman, p. 107; Clarke et al., p. 62; Ó Corrain, p. 28–29 Holman, Katherine (2003). Historical dictionary of the Vikings. Lanham, Maryland: Scarecrow Press. ISBN 978-0-8108-4859-7. Clarke, Howard B.; Ní Mhaonaigh, Máire; Ó Floinn, Raghnall (1998). Ireland and Scandinavia in the Early Viking Age. Four Courts Press. ISBN 978-1-85182-235-5. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, p. 7 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Fragmentary Annals of Ireland, § 239; Anderson, pp. 281–284 "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014. Anderson, Alan Orr (1922). Early Sources of Scottish History A.D 500–1286. Vol. 1. Stamford: Paul Watkins. ISBN 1-871615-03-8. {{cite book}}: ISBN / Date incompatibility (help) Accessed via Internet Archive.
Ó Corrain, p. 9 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, pp. 14–21; Helle, p. 204 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Helle, Knut, ed. (2003). The Cambridge History of Scandinavia. Volume 1: Prehistory to 1520. Cambridge: Cambridge University Press. ISBN 0-521-47299-7.
Ó Corrain, pp. 22–24 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Ó Corrain, pp. 6, 30; Downham, p. 17 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0.
Annals of Ulster, s.a. 856; Ó Corrain, p. 30 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334.
Annals of the Four Masters, s.aa. 854, 856, 858; Annals of Ulster, s.aa. 854, 856, 858; Choronicon Scotorum, s.aa. 854, 856, 858 "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 17; Annals of Ulster, s.a. 856; Choronicon Scotorum, s.a. 856 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Annals of Ulster, s.a. 857 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Ó Corrain, p. 30; Downham, p. 18; Annals of the Four Masters, s.a. 858; Choronicon Scotorum, s.a. 858 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Duffy, p. 122; Annals of Ulster, s.a. 847 Duffy, Seán (15 January 2005). Medieval Ireland: An Encyclopedia. Routledge. ISBN 978-1-135-94824-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 19; Duffy, p. 122; Annals of Ulster, s.a. 859; Annals of the Four Masters, s.a. 859; Choronicon Scotorum, s.a. 859 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Duffy, Seán (15 January 2005). Medieval Ireland: An Encyclopedia. Routledge. ISBN 978-1-135-94824-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Annals of Ulster, s.a. 859 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 19; Annals of the Four Masters, s.a. 860; Annals of Ulster, s.a. 860; Choronicon Scotorum, s.a. 860; Fragmentary Annals of Ireland, § 279 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 19; Annals of the Four Masters, s.aa. 861, 862; Annals of Ulster, s.aa. 861, 862; Choronicon Scotorum, s.a. 861 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Fragmentary Annals of Ireland, § 292 "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 20; Annals of Clonmacnoise, s.a. 862; Annals of the Four Masters, s.a. 862; Annals of Ulster, s.a. 862; Choronicon Scotorum, s.a. 862 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 20; Annals of Clonmacnoise, s.a. 864; Annals of Ulster, s.a. 864; Choronicon Scotorum, s.a. 864 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 20; Annals of the Four Masters, s.a. 863; Annals of Ulster, s.a. 863; Choronicon Scotorum, s.a. 863 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 21; Annals of Ulster, s.a. 866; Annals of Clonmacnoise, s.a. 866 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive.
Annals of Ulster, s.a. 866; Annals of the Four Masters, s.a. 866; Annals of Clonmacnoise, s.a. 866 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive.
Downham, p. 21; Fragmentary Annals of Ireland, § 326 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Ó Corrain, pp. 32–33; Downham, pp. 21–22; Annals of Clonmacnoise, s.a. 867; Annals of the Four Masters, s.aa. 866, 867; Annals of Ulster, s.a. 866; Fragmentary Annals of Ireland, §§ 329, 349 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 22; Annals of Inisfallen, s.a. 867 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of Inisfallen". Corpus of Electronic Texts (23 October 2008 ed.). University College Cork. 2008. Retrieved 18 December 2014.
Ó Corrain, p. 33; Fragmentary Annals of Ireland, § 347 Ó Corrain, Donnchad (1998). "The Vikings in Scotland and Ireland in the Ninth Century" (PDF). Peritia. 12: 296–339. doi:10.1484/J.Peri.3.334. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 22; Annals of Boyle, § 255; Annals of Clonmacnoise, s.a. 868; Annals of the Four Masters, s.a. 868; Annals of Inisfallen, s.a. 868; Annals of Ulster, s.a. 868; Chronicum Scotorum, s.a. 868 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Annals of Boyle". Corpus of Electronic Texts (13 February 2010 ed.). University College Cork. 2010. Retrieved 19 December 2014. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "Annals of Inisfallen". Corpus of Electronic Texts (23 October 2008 ed.). University College Cork. 2008. Retrieved 18 December 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 869; Annals of Ulster, s.a. 869 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, p. 22; Annals of Clonmacnoise, s.a. 870; Annals of Ulster, s.a. 870; s.a. 870; Chronicum Scotorum Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. Murphy, D, ed. (1896). The Annals of Clonmacnoise. Dublin: Royal Society of Antiquaries of Ireland. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Chronicon Scotorum". Corpus of Electronic Texts (24 March 2010 ed.). University College Cork. 2010. Retrieved 26 November 2014.
Woolf, pp. 109–110; Annals of Ulster, s.a. 870 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Woolf, pp. 109–110; Annals of Ulster, s.a. 871 Woolf, Alex (2007). From Pictland to Alba: 789–1070. Edinburgh University Press. ISBN 978-0-7486-1234-5. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Downham, pp. 238–240; Fragmentary Annals of Ireland, § 400 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Annals of Ulster, s.a. 873 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Fragmentary Annals of Ireland, § 400 "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Landnámabók, p. 63; Fragmentary Annals of Ireland, § 292 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Landnámabók, p. 63; Annals of Ulster, s.a. 875; Annals of the Four Masters, s.a. 868 Ellwood, Thomas, ed. (1898). The Book of the Settlement of Iceland. Kendal: T. Wilson. Accessed via Internet Archive. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014. "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014.
Annals of Ulster, s.a. 863 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Fragmentary Annals of Ireland, § 347 "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Downham, p. 16, Annals of Ulster, s.a. 867 Downham, Clare (2007). Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014. Edinburgh: Dunedin Academic Press. ISBN 978-1-903765-89-0. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Annals of Ulster, s.a. 875 "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.
Costambeys; Fragmentary Annals of Ireland, § 347 Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Annals of the Four Masters; s.a. 868; Annals of Ulster; s.a. 875 "Annals of the Four Masters". Corpus of Electronic Texts (16 December 2013 ed.). University College Cork. 2013. Retrieved 23 November 2014. "The Annals of Ulster". Corpus of Electronic Texts (15 August 2012 ed.). University College Cork. 2012. Retrieved 23 November 2014.

web.archive.org (Global: 1^st place; English: 1^st place)

Radner, p. 322–325 Radner, Joan. "Writing history: Early Irish historiography and the significance of form" (PDF). Celtica. 23: 312–325. Archived from the original (PDF) on 23 September 2015.

wikipedialibrary.wmflabs.org (Global: low place; English: low place)

Hudson Hudson, Benjamin T. (2004). "Óláf the White (fl. 853–871)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49263. Retrieved 5 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.
Costambeys; Fragmentary Annals of Ireland, § 347 Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required. "Fragmentary Annals of Ireland". Corpus of Electronic Texts (5 September 2008 ed.). University College Cork. 2008. Retrieved 29 November 2014.
Costambeys Costambeys, Marios (2004). "Hálfdan (d. 877)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/49260. Retrieved 20 December 2014. (Subscription, Wikipedia Library access or UK public library membership required.) Subscription or UK public library membership required.