^Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1986). Handbook of British Chronology (edisi ke-Third). Cambridge: Cambridge University Press. hlm. 415–416. ISBN0-521-56350-X.
St Patrick's Confessio HyperStack: Saint Patrick's Writings in Latin (Bieler's edition) and various translations, facsimile of manuscripts and print editions of the Confessio and Epistola, scholarly articles on St Patrick and his writings, audio resources, a novel, a bibliography with over 1000 entries etc.