Primary Sources

 

unknown	Didache
Clement of Rome	1 Clement
unknown	2 Clement
Ignatius of Antioch	Letter to the Ephesians
Ignatius of Antioch	Letter to the Magnesians
Ignatius of Antioch	Letter to the Trallians
Ignatius of Antioch	Letter to the Romans
Ignatius of Antioch	Letter to the Philadelphians
Ignatius of Antioch	Letter to the Smyrnaeans
Ignatius of Antioch	Letter to Polycarp
Polycarp	Letter to the Philippians
unknown	Martyrdom of Polycarp
Papias	Exposition on the Sayings of the Lord
unknown	Epistle of Barnabas
Hermas	The Shepherd
Aristides	Apology
unknown	Epistle to Diognetus
Justin Martyr	1 Apology
Justin Martyr	2 Apology
Justin Martyr	Dialogue with Trypho
Justin Martyr	On the Resurrection
unknown	Martyrdom of Justin
Tatian	Address to the Greeks
Tatian	Diatessaron
Melito of Sardis	Homily on the Passover
Athenagoras	On the Resurrection of the Dead
Athenagoras	A Plea for the Christians
Theophilus of Antioch	To Autolycus, First Letter
Theophilus of Antioch	To Autolycus, Second Letter
Theophilus of Antioch	To Autolycus, Third Letter
Clement of Alexandria	Exhortation to the Greeks (“Heathen”)
Clement of Alexandria	The Instructor
Clement of Alexandria	The Miscellanies (Stromata)
Clement of Alexandria	Who is the Rich Man That Shall be Saved?
unknown	Sibyllene Oracles, Book VI
unknown	Odes of Solomon
unknown	Infancy Gospel of Thomas
unknown	Gospel of Thomas
unknown	Gospel of Truth
unknown	Gospel of Philip
unknown	Clementine Homilies
unknown	Acts of Paul and Thecla
unknown	Acts of Thomas
unknown	Acts of Peter
unknown	Epistula Apostolorum
unknown	Protevangelion of James (a.k.a. Protoevangelium)
unknown (Possibly Irenaeus of Lyons)	Martyrs of Lyons and Viennes
unknown	Passion of the Scillitan Martyrs
Irenaeus of Lyons	Against Heresies
Irenaeus of Lyons	Demonstration of the Apostolic Preaching
Tertullian	Prescription Against the Heretics
Tertullian	Apology
Tertullian Vibia Perpetua	Against Praxeas The Diary of Perpetua
Hippolytus	Against Noetus
Hippolytus	Refutation of All Heresies
Origen	On First Principles
Origen	Against Celsus
Novatian	On the Trinity
Novatian	Letters to Cyprian
Cyprian of Carthage	Letters
Cyprian of Carthage	On the Unity of the Church
unknown	Against Novatian
unknown	On Rebaptism
Dionysius of Rome	Against Sabellius (Against the Sabellians)
Dionysius of Alexandria	Letter to Dionysius of Rome (scroll to #IV)
Eusebius of Caesarea	Life of Constantine
Alexander of Alexandria	Letter to Alexander of Byzantium (324 CE)
Athanasius of Alexandria	Life of Antony
Athanasius of Alexandria	On the Incarnation of the Word
Athanasius of Alexandria	Defense of the Nicene Council (De Decretis)
Athanasius of Alexandria	Against the Arians
unknown	Apostolic Tradition
unknown	Didascalia Apostolorum
unknown	Apostolic Constitutions
Pseudo-John the Theologian	The Dormition and Assumption of Mary
Ambrose of Milan Ambrose of Milan Augustine of Hippo	On the Holy Spirit On the Mysteries On Christian Doctrine
Augustine of Hippo	On the Trinity
Augustine of Hippo	Confessions
Augustine of Hippo	On the Spirit and the Letter
Augustine of Hippo	On Nature and Grace
Augustine of Hippo	On the Proceedings of Pelagius
Augustine of Hippo	Enchiridion (Handbook) on Faith, Hope and Love
Augustine of Hippo	On Baptism, Against the Donatists
Augustine of Hippo	The Correction of the Donatists (Letter 185)
Augustine of Hippo	The City of God
Basil of Caesarea	On the Holy Spirit
Gregory of Nyssa	On Not Three Gods (To Ablabius)
Gregory of Nyssa	On the Holy Trinity
Gregory of Nyssa	Life of Macrina
Gregory of Nazianzus Egeria (a.k.a. Etheria) Cyril of Alexandria	Fifth Theological Oration: On the Holy Spirit The Diary of Egeria  On the Unity of Christ
Leo I of Rome John Cassian Vincent of Lerins John of Damascus	Letter in Support of Flavian (the Tome) On the Incarnation The Commonitory  An Exposition of the Orthodox Faith
unknown	The (so-called) Donation of Constantine
Anselm of Canterbury Francis of Assisi Francis of Assisi Catholic/Anglican (& Methodist)	Cur Deus Homo? The Canticle of the Creatures The Peace Prayer Joint Statement on Mary (The Seattle Statement)