Britannia: St. Mellitus
Brief biography. Edited from G.M. Bevan's "Portraits of the Archbishops of Canterbury."
Catholic Encyclopedia: St. Mellitus
Archbishop of Canterbury, died in 624. Abbot sent to Canterbury by St. Gregory the Great, and the recipient of a letter from Gregory regarding pagan temples, idols, and festivals.
Mellitus of Canterbury
Biographical portrait of the saint.