3 surviving letters between Bishop Lupus and Sidonius Apollinaris, spanning 467 AD.
Blessed be the Holy Spirit and the Father of God Almighty — for you, father of fathers, bishop of bishops, a second...
Beyond the duty that is owed without end to your incomparably eminent apostolate — though it can never be fully...
To the Lord Bishop Lupus [Lupus of Troyes, one of the most revered bishops of fifth-century Gaul].