The "letters of exhortation" which he is said to have addressed to Mellitus, Archbishop of Canterbury, and to Justus, Bishop of Rochester, are no longer extant, but certain other letters of his have been preserved.
I "letters of exhortation", som han siges og have skrevet til Mellitus, ærkebiskop af Canterbury og til Justus biskop af Rochester, findes ikke længere, men visse andre breve er bevaret.