According to Wikipedia: "The Summa Theologica (or the Summa Theologiae or simply the Summa, written 1265-1274) is the most famous work of Thomas Aquinas (c. 1225-1274) although it was never finished. It was intended as a manual for beginners as a compilation of all of the main theological teachings of that time. It summarizes the reasonings for almost all points of Christian theology in the West, which, before the Protestant Reformation, subsisted solely in the Roman Catholic Church."
Thoughts and Counsels of the Saints for Every Day of the Year : Daily Wisdom from Christian Saints
Saint Anselm, Henry Suso, Albert the Great, Saint Thomas Aquinas, Saint Alphonsus, Saint Antoninus, Saint Benedict, Saint Bernard, Saint Catherine Siena, Saint Gregory, Saint Ignatius, Saint Mechtildis, Saint Teresa, Saint Vincent de Paul, Saint Vincent Ferrer, Jordan of Saxony, Bartholomew of Martyrs, John Tauler, Julienne Morel, Louis de Blois, Louis de Granada
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Summa Theologica book I - II
Saint Thomas Aquinas
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American Grace : How Religion Divides and Unites Us
Robert D. Putnam, David E. Campbell
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Reflections on the Revolution in France
EDMUND BURKE
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Holy Roman Empire
Amelia Khatri
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Strange Religion : How the First Christians Were Weird, Dangerous, and Compelling
Nijay K. Gupta
audiobook
The Heresy of Orthodoxy (Foreword by I. Howard Marshall) : How Contemporary Culture's Fascination with Diversity Has Reshaped Our Understanding of Early Christianity
Andreas J. Köstenberger, Michael J. Kruger
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The Rise of Western Christendom
Peter Brown
audiobook
The Imitation of Christ
Thomas A. Kempis
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The Lost World of Byzantium
Jonathan Harris
audiobook
Perkeleen evoluutio
Harri Sallinen
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Queer Magic
Tomás Prower
audiobook
Medieval Christianity
Kevin Madigan
audiobook
Wild Magic
Danu Forest
audiobook