Curated collection of patristic texts, council records, and theological letters
St. Athanasius • 4th Century
A foundational work on the doctrine of the Incarnation, defending the divinity of Christ.
St. Augustine • 4th-5th Century
Augustine's spiritual autobiography and theological reflections on grace, sin, and conversion.
St. Basil the Great • 4th Century
A comprehensive defense of the divinity of the Holy Spirit against Arian objections.
St. Gregory of Nyssa • 4th Century
An allegorical interpretation of the life of Moses as a guide to the spiritual life.
St. Irenaeus • 2nd Century
A comprehensive refutation of Gnosticism and defense of apostolic tradition.
St. Justin Martyr • 2nd Century
An early Christian defense of the faith addressed to the Roman emperor.
St. Cyprian • 3rd Century
A treatise on the nature and unity of the Church, written during the Novatian schism.
Apostolic Fathers • 1st-2nd Century
An early Christian manual of instruction, possibly the oldest extant Christian document outside the New Testament.