"Although several other scholars have attempted editions of parts of the earlier recension of the Decretum, no edition has been produced that is as long, as complete, or as fully sourced as this one. It is a milestone of canonical scholarship and deserves to be pondered and celebrated." - Ecclesiastical Law Journal

Atria A. Larson is an associate professor of theology at Saint Louis University and the author of Master of Penance: Gratian and the Development of Penitential Thought and Law in the Twelfth Century (CUA Press).