Sumber primer

• McCullough, David Willis (2002). Wars of the Irish Kings: A Thousand Years of Struggle, from the Age of Myth Through the Reign of Queen Elizabeth I. Random House. ISBN 978-0-609-80907-5. 
• Jaski, Bart (2005). Seán Duffy, penyunting. Brian Boru (926[?]–1014). Medieval Ireland. An Encyclopedia. Abingdon and New York. m/s. 45–47. 
• Duffy, Seán (2004). "Brian Bóruma (Brian Boru) (c.941–1014)". Oxford Dictionary of National Biography. Oxford University Press. Dicapai 24 February 2010. 
• Ní Mhaonaigh, Máire (2007). Brian Boru. Ireland's greatest king?. Stroud: Tempus. ISBN 978-0-7524-2921-2. 
• Ó Corráin, Donncha (1972). Ireland before the Normans. The Gill History of Ireland. 2 (edisi 1st). Dublin: Gill & Macmillan. ISBN 0-7171-0559-8. 
• Duffy, Seán (2013). Brian Boru and the Battle of Clontarf. Dublin: Gill & Macmillan. ISBN 978-0717162079.