Compendium of the Art of Exorcism

Jerome Saint Jerome (c. 347–420 AD), best known for translating the Bible into Latin (the Vulgate) and his extensive scriptural commentaries.
William of Paris William of Auvergne (c. 1180–1249), Bishop of Paris and a prominent philosopher-theologian who integrated Aristotelian thought with Christian doctrine.
Hilary the Bishop Saint Hilary of Poitiers (c. 310–367 AD), a leading theologian against Arianism, often called the "Hammer of the Arians."
Josephus the Jew, in the Antiquities of the Jews Flavius Josephus (37–c. 100 AD), a Romano-Jewish historian whose works provide crucial historical context for the Second Temple period and early Christianity.
Isidore the Bishop Saint Isidore of Seville (c. 560–636 AD), author of the Etymologiae, which served as the standard encyclopedia of the Middle Ages.
Michael Psellos, On the Nature of Demons An 11th-century Byzantine monk and polymath; his work on demonology was highly influential in the West during the late Middle Ages and Renaissance.
The Hammer of Witches original: "Martello de Malefici"; better known by its Latin title Malleus Maleficarum. This infamous 15th-century treatise by Heinrich Kramer provided a legal and theological framework for the prosecution of witches.
Nicholas of Lyra A 14th-century Franciscan whose literal commentary on the Bible was the most widely used during the late Middle Ages.
Paul of Burgos A Jewish convert who became a bishop in the 15th century and wrote influential additions to the biblical commentaries of Nicholas of Lyra.
Paolo Grillandi original: "Paolo Ghirlando"; a 16th-century Italian jurist and judge in witch trials whose legal writings shaped the procedures for inquisitorial trials.
Peter Damian Saint Peter Damian (c. 1007–1072), a Benedictine monk and cardinal known for his strict asceticism and efforts to reform church morality.
Peter of Palude A 14th-century Dominican theologian and Patriarch of Jerusalem, known for his writings on the sacraments and canon law.
Raymond Lully Ramon Llull (c. 1232–1315), a Majorcan philosopher and mystic who developed a logical system, the "Ars Magna," intended to prove Christian truths through reason.
Silvestro Prierias Silvestro Mazzolini da Prierio (1456–1523), a Dominican theologian and Master of the Sacred Palace who was one of the first to oppose Martin Luther.
Thomas Aquinas Saint Thomas Aquinas (1225–1274), the "Angelic Doctor" and arguably the most influential philosopher and theologian of the Catholic Church.
Thomas of Cantimpré original: "Thomaso Barbantino"; a 13th-century Dominican from the Duchy of Brabant (hence "Barbantino") known for his encyclopedia on the nature of things and lives of saints.
The Lives of the Holy Fathers original: "Vite de’ Santi Padri" (Vitae Patrum); a famous collection of biographies and spiritual teachings from the early Christian monks living in the deserts of Egypt and Syria.