Gregory Peck | Gregory of Tours | Order of St. Gregory the Great | Gregory Bateson | Pope Gregory VII | Gregory of Nyssa | Pope Gregory XIII | Pope Gregory XVI | Lady Gregory | Gregory S. Paul | Gregory Corso | Pope Gregory XV | Ostia | Gregory of Nazianzus | Pope Gregory XI | Philippa Gregory | Gregory the Illuminator | Gregory Olsen | Gregory Blaxland | Dick Gregory | Pope Gregory I | Gregory Reinhart | Gregory Deyermenjian | Gregory Crewdson | Gregory Benford | Francis Thomas Gregory | Andre Gregory | Pope Gregory X | Pope Gregory VI | Ostia Antica |
Among them are a life of the liturgist, St. Amalarius of Trier (Rome, 1612), annotated lives of St. Isadore of Seville, St. Ildephoses of Toledo, Cardinal Gregory of Ostia, notes on the life of St. Anselm, an annotated edition of the Vita Gelasii II by Pandolfo of Pisa, treatises on the primacy and the Roman episcopate of St. Peter.