↑ "A New History of Ireland" Moody, T.W; Martin, F.X; Byrne, F.J; Cosgrove, A: Oxford, OUP, 1976 ISBN0-19-821745-5
↑ "Fasti ecclesiæ hibernicæ: the succession of the prelates in Ireland" Cotton H, Dublin, Hodges & Smith, 1860
↑ Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1986). Handbook of British Chronology (3rded.). Cambridge: Cambridge University Press. pp.400–401. ISBN0-521-56350-X.
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