9Keating, Geoffrey, John O'Mahony, and Michael Doheny. Foras Feasa Ar Eirinn Do Réir an Athar Seathrun Céiting, Ollamh Ré Diadhachta. The History of Ireland, from the Earliest Period to the English Invasion. New York: P.M. Haverty, 1857. 390.
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