The Apostolic Fathers, Justin Martyr and the Earliest Christian Writings
Didache · Barnabas · Clement · Ignatius · Polycarp · Hermas · Diognetus · Justin Martyr
The writings of the first Christians after the apostles, gathered in order of date into a series of books and set in plain English. Every volume is free to read online and free to download.
117 volumes · 889 works · about 28.7 million words
The series reads the early Church from the Apostolic Fathers to the eighth century, so the volumes can be read straight through like a history.
Where a modern English version has been prepared it is used, with translator’s notes at the foot of the page. Other works appear in the older public-domain translations.
Read each volume chapter by chapter in the SermonIndex books section, or download the same book as a print-ready PDF, an EPUB for your e-reader, or plain text.
From the Didache and the letters of Ignatius to the apologists and Irenaeus of Lyons: the first Christian writings after the New Testament.
Didache · Barnabas · Clement · Ignatius · Polycarp · Hermas · Diognetus · Justin Martyr
Tatian · Athenagoras · Theophilus · Melito · Bardesanes · The Scillitan Martyrs
Irenaeus of Lyons · Against Heresies · Proof of the Apostolic Preaching · Perpetua
Clement of Alexandria, Tertullian of Carthage and Hippolytus of Rome, who gave the Church its first great libraries of theology in Greek and Latin.
Clement of Alexandria · Exhortation · The Instructor · The Stromata
Tertullian · Apology · The Soul · The Flesh of Christ · The Resurrection
Tertullian · Prescription against Heretics · Against Marcion · Against Praxeas
Tertullian · On Prayer · On Baptism · Hippolytus · Refutation of All Heresies · Antichrist
The writings of Origen, the most prolific biblical scholar of the early Church, with the writers of his age.
Origen · First Principles · On Prayer · The Philocalia · Minucius Felix · Africanus
Origen · Against Celsus · Letters · Dialogue with Heraclides
Origen · Commentary on John · Commentary on Matthew · Song of Songs
Origen · Commentary on Romans · Homilies on 1 Samuel · The Witch of Endor
Origen · Homilies on Jeremiah · Fragments and Scholia
Cyprian of Carthage, the teachers of Alexandria and the East, and the Latin apologists Lactantius and Arnobius, from the Decian persecution to the eve of Constantine.
Cyprian · On the Unity of the Church · On the Lapsed · Letters · Novatian
Dionysius · Gregory Thaumaturgus · Victorinus on Revelation · Methodius
Lactantius · The Divine Institutes · On the Anger of God · How the Persecutors Died
Arnobius · Against the Heathen · Eusebius · Against Hierocles · Marcellus of Ancyra
The historian of the early Church: his Church History, the Life of Constantine and his great defences of the faith, in four volumes.
Eusebius of Caesarea · Church History · The Martyrs · Life of Constantine
Eusebius of Caesarea · The Preparation of the Gospel
Eusebius of Caesarea · The Proof of the Gospel · Prophetic Extracts
Eusebius of Caesarea · Theophania · Chronicle · Place Names in Scripture
Athanasius, Hilary of Poitiers, Aphrahat and Ephrem, who stood for the faith of Nicaea in the Greek, Latin and Syriac churches.
Aphrahat · The Demonstrations · Hilary · On the Trinity · Serapion’s Prayer-Book
Athanasius · On the Incarnation · Against the Arians · Defence of His Flight
Athanasius · Letters · Festal Letters · History of the Arians · The Life of Antony
Ephrem the Syrian · Hymns on the Nativity and Epiphany · Discourse to Hypatius · Against Marcion
Basil of Caesarea, Gregory of Nazianzus and Gregory of Nyssa, with Ambrosiaster, Cyril of Jerusalem, Optatus, Pacian and the pilgrim Egeria: the fourth-century Church in East and West.
Basil of Caesarea · On the Holy Spirit · The Hexaemeron · The Longer Rules · Letters
Ambrosiaster · Commentary on Romans · Questions on the Old and New Testaments
Cyril of Jerusalem · Catechetical Lectures · Optatus · Pacian · The Pilgrimage of Egeria
Gregory of Nazianzus · Orations · The Theological Orations · Letters
Gregory of Nyssa · Against Eunomius · Life of Macrina · Funeral Oration on Meletius · Letters
Gregory of Nyssa · The Great Catechism · On the Making of Man · On the Soul and the Resurrection · Macarius · Fifty Spiritual Homilies
The treatises and letters of Ambrose, with Epiphanius of Salamis, Macarius Magnes, Asterius of Amasea and Chromatius of Aquileia.
Ambrose of Milan · On the Faith · On the Holy Spirit · On the Mysteries · On Repentance · On Virgins · On the Decease of Satyrus
Ambrose of Milan · On the Duties of the Clergy · Letters
Epiphanius · The Ancoratus · Macarius Magnes · Apocriticus · Asterius of Amasea · Sermons
The sayings and histories of the Desert Fathers, and the first volumes of John Chrysostom: the Priesthood, the Statues, the shorter treatises, sermons and letters.
The Desert Fathers · Sayings · Histories of the Monks · The Paradise of the Holy Fathers · Shenoute
John Chrysostom · On the Priesthood · Against the Jews · The Homilies on the Statues
John Chrysostom · Treatises · Sermons · Letters · Letters to Olympias · Homilies on Eutropius
John Chrysostom’s homilies on Matthew, John, the Acts of the Apostles and the letters of Paul, preached verse by verse to the churches of Antioch and Constantinople.
John Chrysostom · Homilies on the Gospel of Matthew · Homilies 1 to 53
John Chrysostom · Homilies on Matthew 54 to 90 · Homilies on John 1 to 32
John Chrysostom · Homilies on John 33 to 88 · Homilies on the Acts 1 to 15
John Chrysostom · Homilies on the Acts 16 to 55 · Homilies on Romans 1 to 14
John Chrysostom · Homilies on Romans 15 to 32 · Homilies on 1 Corinthians 1 to 32
John Chrysostom · Homilies on 1 Corinthians 33 to 44 · Homilies on 2 Corinthians · Commentary on Galatians
John Chrysostom · Homilies on Ephesians · Philippians · Colossians · 1 and 2 Thessalonians
John Chrysostom · Homilies on 1 and 2 Timothy · Titus · Philemon · Hebrews
The letters, homilies and controversies of Jerome, his quarrel with Rufinus, Theodore of Mopsuestia, and the lives of the monks by Palladius and Sulpicius Severus.
Jerome · Letters 1 to 124 · To Eustochium · To Marcella · To Paula
Jerome · Letters 125 to 147 · Homilies on the Psalms · Lives of Illustrious Men · Lives of the Hermits
Jerome · Against Jovinianus · Against the Pelagians · Jerome and Rufinus on Origen · Rufinus · Commentary on the Apostles’ Creed
Jerome · Commentaries and Prefaces · Theodore of Mopsuestia · Commentary on the Creed · Palladius · Dialogue on the Life of Chrysostom
Palladius · The Lausiac History · Sulpicius Severus · The Life of Martin · Dialogues · The Sacred History
Augustine of Hippo’s Confessions and early writings, the twenty-two books of The City of God, and his great treatise On the Trinity.
Augustine of Hippo · The Confessions · Soliloquies · On Christian Doctrine · The Enchiridion
Augustine of Hippo · The City of God · Books 1 to 18
Augustine of Hippo · The City of God, Books 19 to 22 · On the Trinity
His books against the Manichaeans, the Donatist schism and the teaching of Pelagius, with his treatises on grace, predestination, marriage and virginity.
Augustine of Hippo · Against the Manichaeans · Reply to Faustus · The Nature of Good
Augustine of Hippo · On Baptism · Against Petilian · The Correction of the Donatists
Augustine of Hippo · Against the Pelagians, I · The Spirit and the Letter · Nature and Grace
Augustine of Hippo · On Rebuke and Grace · On Predestination · The Sermon on the Mount
Ninety-seven sermons on the New Testament, the one hundred and twenty-four Tractates on the Gospel of John, and the Harmony of the Gospels.
Augustine of Hippo · Sermons on Selected Lessons · of the New Testament
Augustine of Hippo · Tractates on the Gospel of John · Tractates 1 to 54
Augustine of Hippo · Tractates on John 55 to 124 · The Harmony of the Gospels
His letters, the Homilies on the First Letter of John, and the Expositions on the Psalms, the longest of his works.
Augustine of Hippo · Letters 1 to 131 · Ten Homilies on 1 John
Augustine of Hippo · Letters 132 to 270 · Expositions on the Psalms 1 to 44
Augustine of Hippo · Expositions on the Psalms · Psalms 45 to 85
Augustine of Hippo · Expositions on the Psalms · Psalms 86 to 150
Cassian’s Institutes and Conferences, and the Latin writers of the fifth century: Vincent of Lérins, Leo the Great, Patrick, Possidius and Gennadius.
John Cassian · The Institutes · The Conferences
Cassian · Vincent of Lérins · Leo the Great · Patrick · Possidius · Gennadius
The Church histories of Socrates and Sozomen, Theodoret’s history, the histories of Philostorgius and of the Council of Nicaea, and the letters and lives of the Eastern monks.
Socrates Scholasticus · Sozomen · The Ecclesiastical Histories
Theodoret · Philostorgius · Gelasius of Cyzicus · Philip of Side · Rabbula · Besa · Legends of Eastern Saints
Theodoret’s Religious History, dialogues and letters, Cyril’s Five Tomes against Nestorius, and the Bazaar of Heracleides.
Theodoret of Cyrus · Religious History · Dialogues · Letters · Commentary on Romans
Cyril of Alexandria · Five Tomes against Nestorius · Nestorius · The Bazaar of Heracleides
Cyril’s replies to Julian and to Diodore, Theodore and the Synousiasts, and his commentaries on Isaiah and on the twelve minor prophets.
Cyril of Alexandria · Against Julian · Scholia on the Incarnation · Commentary on Isaiah, 1–19
Cyril of Alexandria · Commentary on Isaiah, 20–30 · Hosea · Joel
Cyril of Alexandria · The Twelve Prophets · Amos to Malachi
Cyril’s twelve-book Commentary on the Gospel of John and his sermons on the Gospel of Luke.
Cyril of Alexandria · Commentary on the Gospel of John · Books 1 to 5
Cyril of Alexandria · Commentary on the Gospel of John · Books 6 to 12
Cyril of Alexandria · Commentary on the Gospel of Luke · One Hundred and Fifty Sermons
Salvian, Sidonius, Eugippius, Dionysius Exiguus, Benedict and Jordanes in the Latin West, then Pseudo-Dionysius, Boethius, Gildas and Gregory of Tours, and the Syriac leaders Philoxenus of Mabbug and Severus of Antioch.
Salvian · Sidonius Apollinaris · Eugippius · Benedict of Nursia · Dionysius Exiguus · Jordanes
Pseudo-Dionysius · Boethius · Gildas · Gregory of Tours · The Consolation of Philosophy · History of the Franks
Philoxenus of Mabbug · Thirteen Ascetic Discourses · Letters · Severus of Antioch · Letters
The chronicles and church histories of the sixth century, Cosmas Indicopleustes, John the Lydian and John of Nikiu, and the Syriac teachers of the Church of the East.
Joshua the Stylite · Chronicle of Edessa · Pseudo-Zachariah · John of Ephesus · Evagrius Scholasticus
Cosmas Indicopleustes · The Christian Topography · John the Lydian · John of Nikiu
Narsai · Jacob of Serugh · Isaac of Nineveh · John bar Penkaye · Jacob of Edessa · Timothy I of Baghdad
Simeon Stylites, Rabban Bar-ʿIdtā and Rabban Hormizd.
Simeon Stylites · Rabban Bar-ʿIdtā · Rabban Hormizd · Lives of the Eastern Saints
The Pastoral Rule, the Dialogues with the life of Saint Benedict, the Register of letters, the homilies on the Gospels and on Ezekiel, the commentary on the Song of Songs, and the commentary on First Kings that goes under his name.
Gregory the Great · The Pastoral Rule · The Register of Epistles
Gregory the Great · The Dialogues · Forty Homilies on the Gospels
Gregory the Great · Homilies on Ezekiel · Commentary on the Song of Songs
Attributed to Gregory the Great · Commentary on the · First Book of Kings
Gregory’s great exposition of the Book of Job in thirty-five books, in four volumes.
Gregory the Great · Morals on the Book of Job · Part One · Books I–VIII
Gregory the Great · Morals on the Book of Job · Part Two · Books IX–XVII
Gregory the Great · Morals on the Book of Job · Part Three · Books XVIII–XXVI
Gregory the Great · Morals on the Book of Job · Part Four · Books XXVII–XXXV
The Ecclesiastical History of the English People, the homilies on the Gospels, and Bede’s commentaries on Genesis, Samuel, Ezra and Nehemiah, Proverbs, the Song of Songs, Mark, Luke, Acts, the Catholic Epistles and Revelation, with his books on the Tabernacle and the Temple.
The Venerable Bede · Ecclesiastical History · of the English People · Homilies on the Gospels
The Venerable Bede · Commentary on Genesis · The Tabernacle · The Temple · Questions on Kings
The Venerable Bede · Commentaries on Samuel · Ezra and Nehemiah · Habakkuk and Tobit
The Venerable Bede · Commentary on Proverbs · Commentary on the · Song of Songs
The Venerable Bede · Commentary on Mark · Commentary on Luke
The Venerable Bede · Commentary on Acts · The Catholic Epistles · Revelation
The ancient eucharistic liturgies of Jerusalem, Alexandria, Constantinople, Armenia, the Church of the East and Milan; the East Syrian daily offices, and the liturgies of the Syrian Jacobites, India, Ethiopia, Rome, Spain, Ireland and the Celtic Church; and the Orthodox Service Book in Isabel Hapgood’s translation.
Ancient Liturgies of East and West · Saint James · Saint Mark · Chrysostom · Addai and Mari
East Syrian Daily Offices · Ethiopic Liturgy · Roman Canon · Stowe Missal
The Apostolic Tradition, the Didascalia, the Testament of Our Lord and the Apostolic Constitutions, with the canons and decrees of the councils from Ancyra in AD 314 to the second council of Nicaea in AD 787.
Church Orders and Early Councils · Apostolic Tradition · Didascalia · Ancyra to Laodicea
Apostolic Constitutions V–VIII · Constantinople · Ephesus · Chalcedon · Nicaea II
Lives, martyrdoms, homilies and apocrypha from the churches and monasteries of Egypt in Budge’s and Evelyn White’s translations, the Coptic Life of Isaac of Alexandria, three writings of Ananias of Shirak, and the Key of Truth of the Paulician Church of Armenia.
Coptic Lives, Martyrdoms · and Homilies · Isaac of Tiphre · Shenouda · Budge
Coptic Discourses · Macarius Fragments · Ananias of Shirak · Key of Truth
Enoch, Jubilees, the Zadokite Fragments, the apocalypses of Baruch, Abraham and Isaiah, the Testaments of the Twelve Patriarchs, the Psalms and Odes of Solomon, Ahikar, the Letter of Aristeas, Pseudo-Philo and the Sibylline Oracles, in the translations of Charles, Gray, Terry and others.
Jewish Apocalypses · Jubilees · Enoch · Baruch · Abraham · Testaments of the Twelve Patriarchs
Psalms and Odes of Solomon · Ahikar · Aristeas · Pseudo-Philo · The Sibylline Oracles
Apocryphal gospels, the writings on the Virgin Mary and Pilate, apocalypses and visions, Pistis Sophia, the Acts of Archelaus and the apocryphal Acts of the Apostles, with the Ethiopic Contendings of the Apostles.
Apocryphal Gospels · The Virgin Mary · Infancy Gospels · The Gospel of Nicodemus · The Acts of Pilate
Apocalypses and Visions · Apocalypse of Peter · Vision of Paul · Pistis Sophia · Acts of Archelaus
Apocryphal Acts of the Apostles · Paul · Peter · Andrew · Thomas · Philip · Thecla · John · Matthew
The Contendings of the Apostles · The Ethiopic Book of the Apostles · Peter · Paul · Thomas · Andrew
The Clementine Homilies and Recognitions, and the writings that were put under the names of Ignatius, Cyprian, Hippolytus, Clement and the early popes, with the Statutes of the Apostles and the papal decretals of Pseudo-Isidore.
The Clementine Homilies · and Recognitions · Clement · Peter · Simon Magus
Writings Ascribed to Famous Fathers · Pseudo-Cyprian · Pseudo-Ignatius · Church Orders · Papal Decretals
Two source books that gather material from across the series: the Fathers on the Antichrist, with sixteen questions, 861 quotations and an Orthodox and Eastern part; and the early liturgies, how they took shape and how they compare, with the Liturgy of Saint Basil in full.
The Antichrist in the Early Church · Sixteen Questions · Ninety-four Voices · Irenaeus · Hippolytus · Chrysostom · Augustine
Early Liturgies · How They Took Shape · How They Compare · The Didache · Justin · Basil · Chrysostom · James
Writings that no other volume prints: Leo the Great, John of Damascus and the Festal Epistles of Athanasius; Ephrem, Aphrahat and the Syriac writers; Christians under Islam in Syriac, Arabic and Greek; and the Coptic Patriarchs with the Ethiopian Kebra Nagast.
Leo the Great · Sermons · John of Damascus · The Orthodox Faith · Athanasius · The Festal Epistles
Ephrem · Aphrahat · The Cave of Treasures · The Book of the Bee · Syriac Lives and Histories
Christians under Islam · Syriac · Arabic · Greek · Agapius · Thomas of Marga · Yahya ibn Adi
The Coptic Patriarchs · History of the Church of Alexandria · The Kebra Nagast of Ethiopia
The older translations are in the public domain. The modern English versions, the section divisions, the introductions and the translator’s notes were prepared for SermonIndex with the help of artificial intelligence and are released under the Creative Commons Attribution-ShareAlike 4.0 licence (CC BY-SA 4.0): you may copy, adapt and share them, including commercially, if you give credit and share the result under the same licence. The sources and licence for every work are listed at the back of each volume.
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