The following course texts are in the public domain and may be downloaded for free:
- Aquinas, Summa Theologica (vol. 20) from Internet Archive
- Aquinas, Summa Theologica (vol. 21) from Internet Archive
- Aquinas, Summa Theologica (vol. 22) from Internet Archive
- Aristotle, Loeb Classical Library (vol. 193) from Loebolus
- Aristotle, Organon (vol. 1) from Google Books
- Aristotle, Organon (vol. 2) from Google Books
- Chesterton, Orthodoxy from Google Books
- Cicero, Loeb Classical Library (vol. 268) from Loebolus
- Cicero, Loeb Classical Library (vol. 403) from Internet Archive
- Josephus, Loeb Classical Library (vol. 186) from Loebolus
- Plato, Loeb Classical Library (vol. 36) from Google Books
- Roberts and Donaldson, Ante-Nicene Fathers (vol. 1) from Google Books
- Roberts and Donaldson, Ante-Nicene Fathers (vol. 2) from Google Books
- Roberts and Donaldson, Ante-Nicene Fathers (vol. 3) from Google Books
- Tertullian, On Repentance, 657–68
- Roberts and Donaldson, Ante-Nicene Fathers (vol. 4) from Google Books
- Roberts and Donaldson, Ante-Nicene Fathers (vol. 5) from Google Books
- Cyprian, The Advantage of Patience, 484–91
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 2) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 3) from Google Books
- Augustine, Enchiridion on Faith, Hope, and Love, 237–76 (part 1, part 2, part 3)
- Augustine, On Faith and the Creed, 321–33
- Augustine, On the Creed, 369–75
- Augustine, On Continence, 379–93
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 4) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 5) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 6) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 8) from Internet Archive
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 10) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 11) from Google Books
- Schaff, Nicene and Post-Nicene Fathers, First Series (vol. 14) from Google Books
- Schaff and Wace, Nicene and Post-Nicene Fathers, Second Series (vol. 1) from Google Books
- Schaff and Wace, Nicene and Post-Nicene Fathers, Second Series (vol. 9) from Google Books
- Schaff and Wace, Nicene and Post-Nicene Fathers, Second Series (vol. 13) from Google Books
- Schaff and Wace, Nicene and Post-Nicene Fathers, Second Series (vol. 14) from Google Books
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