Giraldus, Conquest of Ireland, Chapter XXXIII, p. 36 Giraldus Cambrensis (2001). Thomas Forester and Thomas Wright (ed.). The Conquest of Ireland(PDF). Cambridge, Ontario: In parentheses Publications. Retrieved 1 May 2010.
Giraldus, Conquest of Ireland, Chapter XXXIV, pp. 36–37 Giraldus Cambrensis (2001). Thomas Forester and Thomas Wright (ed.). The Conquest of Ireland(PDF). Cambridge, Ontario: In parentheses Publications. Retrieved 1 May 2010.