^Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1986). Handbook of British Chronology (Third Edition, reprinted 2003 ed.). Cambridge: Cambridge University Press. pp. 360–361. ISBN0-521-56350-X.
^"Fasti ecclesiæ hibernicæ: the succession of the prelates in Ireland" Cotton, H. Vol1 p463: Dublin, Hodges & Smith, 1851