Clement of Alexandria
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Cyprian of Carthage
Cyprian of Carthage, and Pontius his deacon
Hippolytus
Hippolytus of Rome
Irenaeus
Irenaeus of Lyons
John Chrysostom: Homilies on the New Testament
John Chrysostom
Justin Martyr
Lactantius
Martyrs Mirror
Thieleman J. van Braght
Martyrs Mirror in Modern English
Origen
Origen of Alexandria
Tertullian: Against Marcion
Tertullian
Tertullian: Apology and Moral Writings
The Apostolic Fathers
Clement, Ignatius, Polycarp and others
The Bible (Septuagint)
Modern English Septuagint
The Bible for Children
Modern English Septuagint for Children
The Second-Century Apologists
Tatian, Theophilus and Athenagoras
The Smaller Writers
Minucius Felix, Novatian, Caius and others
The Didache
The Teaching of the Twelve Apostles
Antiquities of the Jews
Flavius Josephus
The Jewish War
The Life, Against Apion, and On Hades
Eusebius: The Church History
Eusebius of Caesarea
The Complete Works of Menno Simon
Menno Simons
The Complete Works of Menno Simons in Modern English
Socrates: The Church History
Socrates Scholasticus
Sozomen: The Church History
Sozomen
The Life of Constantine
Oration to the Assembly of the Saints
The Emperor Constantine
Oration in Praise of Constantine
The Seven Ecumenical Councils
The Councils of the Church, 325–787
Lives of Illustrious Men
Jerome and Gennadius
The Apologies of Rufinus and Jerome
Rufinus of Aquileia and Jerome
Church History, Dialogues and Letters
Theodoret of Cyrrhus
The Commonitory
Vincent of Lerins
The Life of Saint Martin, Dialogues and Sacred History
Sulpitius Severus
The Institutes, the Conferences and On the Incarnation
John Cassian
Select Works and Letters
Athanasius of Alexandria
Letters and Sermons
Leo the Great
The Pastoral Rule and Letters
Gregory the Great
Hymns, Homilies and Demonstrations
Ephraim the Syrian and Aphrahat