AFM 849.9 [=851], similar AU 851.3 "Tetact Dubgennti du Ath Cliath co ralsat ár mór du Fhinngallaibh", translated as "The dark heathens came to Áth Cliath, made a great slaughter of the fair-haired foreigners" Annals of the Four Masters, CELT: Corpus of Electronic Texts, 2002, retrieved 19 March 2010Annals of Ulster AD 431–1201, CELT: Corpus of Electronic Texts, 2003, retrieved 19 March 2010
CS 941, Downham (2007), p. xvii Chronicon Scotorum, CELT: Corpus of Electronic Texts, 2003, retrieved 19 March 2010 Downham, Clare (2007), Viking Kings of Britain and Ireland: The Dynasty of Ívarr to A.D. 1014, Edinburgh: Dunedin, ISBN978-1-903765-89-0