Primary texts

The Fathers, in longer form.

The works behind the catechesis — for the slower read.

Augustine, Athanasius, the Cappadocians, Symeon the New Theologian, Maximus the Confessor — the foundational voices of the Orthodox theological tradition.

Against Eunomius — St. Gregory of Nyssa

Against Heresies — St. Irenaeus of Lyons

Against Jovinianus — St. Jerome

Against Those Who Oppose Holy Icons

Against Vigilantius and Against John — St. Jerome

Against the Errors of the Latins

Answer to Eunomius

Canons of the Seven Ecumenical Councils

Catechetical Lectures — St. Cyril of Jerusalem

Contra Gentes — St. Athanasius of Alexandria

De Synodis — St. Hilary of Poitiers

Dialogue Against the Pelagians — St. Jerome

Dialogue with Trypho — St. Justin Martyr

Discourses Against the Arians — St. Athanasius of Alexandria

Ecclesiastical History — Eusebius of Caesarea

Encyclical to the Eastern Patriarchs

Epistle of Barnabas — Unknown

Epistle to Diognetus — Unknown

Epistles of Ignatius — St. Ignatius of Antioch

Exact Exposition of the Orthodox Faith — St. John of Damascus

Exposition of the Christian Faith — St. Ambrose of Milan

Festal Letters — St. Athanasius of Alexandria

Fifty Spiritual Homilies

First Epistle to the Corinthians — St. Clement of Rome

Fragments from the Lost Writings of Irenaeus

Fragments of Papias — St. Papias of Hierapolis

History of the Arians — St. Athanasius of Alexandria

Homilies on Romans

Homilies on the Gospel of John

Letters C–CLV — St. Jerome

Letters I–LI — St. Jerome

Letters LII–XCIX — St. Jerome

Letters of Leo the Great — St. Leo the Great

Letters on Nestorius · On the Unity of Christ

Letters to Serapion on the Holy Spirit

Letters — St. Basil the Great

Life of Constantine — Eusebius of Caesarea

Lives of the Monks — St. Jerome

Longer and Shorter Rules · Letters

My Life in Christ

Mystical Theology

On Virginity — St. Gregory of Nyssa

On the Councils — St. Athanasius of Alexandria

On the Divine Names and the Mystical Theology — Pseudo-Dionysius the Areopagite

On the Duties of the Clergy — St. Ambrose of Milan

On the Holy Spirit — St. Ambrose of Milan

On the Holy Spirit — St. Basil the Great

On the Holy Spirit — St. Basil the Great

On the Incarnation

On the Life of Antony

On the Making of Man — St. Gregory of Nyssa

On the Mysteries and On the Sacraments — St. Ambrose of Milan

On the Priesthood — St. John Chrysostom

On the Soul and the Resurrection

On the Soul and the Resurrection — St. Gregory of Nyssa

On the Trinity — St. Hilary of Poitiers

On the Unity of the Church

Orations and Letters — St. Gregory of Nyssa

Orthodox Confession of Faith

Other Writings of Justin Martyr — St. Justin Martyr

Other Writings — St. Justin Martyr

Pastoral Rule — St. Gregory the Great

Prefaces to the Vulgate — St. Jerome

Register of Epistles — St. Gregory the Great

Select Letters — St. Gregory Nazianzen

Select Orations — St. Gregory Nazianzen

Selected Ethical Works and Letters — St. Ambrose of Milan

Sermons of Leo the Great — St. Leo the Great

The Apologetic Writings — St. Athanasius of Alexandria

The Apologies — St. Justin Martyr

The Dialogues — St. Jerome

The Didache

The Gospel of Matthew

The Great Catechism — St. Gregory of Nyssa

The Hexaemeron — St. Basil the Great

The Martyrdom of Polycarp

The Philokalia

The Sayings of the Desert Fathers — The Alphabetical Collection

The Seven Ecumenical Councils — Various

Theological Tractates — St. Gregory of Nyssa