Thomas Aquinas, Apostles’ Creed, Albertus Magnus, Arnobius of Sicca, Athanasian Creed, Augustine of Hippo, Bernard of Clairvaux, Bonaventure, Cyprian of Carthage, Gregory the Great, Egeria, Isidore of Seville, Jerome, Lactantius, Leo Magnus, Marcus Minucius Felix, Nicene Creed, Tertullian, Peter Lombard, Petrus Aureolus, Saxo Grammaticus