Alexander of Alexandria

  • Epistles on the Arian Heresy and the Deposition of Arius

Alexander of Lycopolis

  • Of the Manicheans

Ambrose of Milan

  • On the Christian Faith (De fide)
  • On the Holy Spirit
  • On the Mysteries
  • On Repentance
  • On the Duties of the Clergy
  • Concerning Virgins
  • Concerning Widows
  • On the Death of Satyrus
  • Memorial of Symmachus
  • Sermon against Auxentius
  • Letters


  • Demonstrations


  • Acts of the Disputation with the Heresiarch Manes

Aristides the Philosopher

  • The Apology


  • Against the Heathen

Athanasius of Alexandria

  • Against the Heathen
  • On the Incarnation of the Word
  • Deposition of Arius
  • Statement of Faith
  • On Luke 10:22
  • Circular Letter
  • Apologia Contra Arianos
  • De Decretis
  • De Sententia Dionysii
  • Life of St. Anthony (Vita S. Antoni)
  • Ad Episcopus Aegypti et Libyae
  • Apologia ad Constantium
  • Apologia de Fuga
  • Historia Arianorum
  • Four Discourses Against the Arians
  • De Synodis
  • Tomus ad Antiochenos
  • Ad Afros Epistola Synodica
  • Historia Acephala
  • Letters

Athenagoras the Apologist

Augustine of Hippo

  • Confessions
  • Letters
  • City of God
  • Christian Doctrine
  • On the Holy Trinity
  • The Enchiridion
  • On the Catechising of the Uninstructed
  • On Faith and the Creed
  • Concerning Faith of Things Not Seen
  • On the Profit of Believing
  • On the Creed: A Sermon to Catechumens
  • On Continence
  • On the Good of Marriage
  • On Holy Virginity
  • On the Good of Widowhood
  • On Lying
  • To Consentius: Against Lying
  • On the Work of Monks
  • On Patience
  • On Care to be Had For the Dead
  • On the Morals of the Catholic Church
  • On the Morals of the Manichaeans
  • On Two Souls, Against the Manichaeans
  • Acts or Disputation Against Fortunatus the Manichaean
  • Against the Epistle of Manichaeus Called Fundamental
  • Reply to Faustus the Manichaean
  • Concerning the Nature of Good, Against the Manichaeans
  • On Baptism, Against the Donatists
  • Answer to Letters of Petilian, Bishop of Cirta
  • Merits and Remission of Sin, and Infant Baptism
  • On the Spirit and the Letter
  • On Nature and Grace
  • On Man’s Perfection in Righteousness
  • On the Proceedings of Pelagius
  • On the Grace of Christ, and on Original Sin
  • On Marriage and Concupiscence
  • On the Soul and its Origin
  • Against Two Letters of the Pelagians
  • On Grace and Free Will
  • On Rebuke and Grace
  • The Predestination of the Saints/Gift of Perseverance
  • Our Lord’s Sermon on the Mount
  • The Harmony of the Gospels
  • Sermons on Selected Lessons of the New Testament
  • Tractates on the Gospel of John
  • Homilies on the First Epistle of John
  • Soliloquies
  • The Enarrations, or Expositions, on the Psalms


  • The Book of the Laws of Various Countries


  • Epistle of Barnabas

Basil the Great


  • Fragments

Clement of Alexandria

  • Who is the Rich Man That Shall Be Saved?
  • Exhortation to the Heathen
  • The Instructor
  • The Stromata, or Miscellanies
  • Fragments

Clement of Rome


  • Writings

Cyprian of Carthage

  • The Life and Passion of Cyprian By Pontius the Deacon
  • The Epistles of Cyprian
  • The Treatises of Cyprian
  • The Seventh Council of Carthage

Cyril of Jerusalem

  • Catechetical Lectures

Dionysius of Rome

  • Against the Sabellians

Dionysius the Great

  • Epistles and Epistolary Fragments
  • Exegetical Fragments
  • Miscellaneous Fragments

Ephraim the Syrian

  • Nisibene Hymns
  • Miscellaneous Hymns — On the Nativity of Christ in the Flesh, For the Feast of the Epiphany, and On the Faith (“The Pearl”)
  • Homilies — On Our Lord, On Admonition and Repentance, and On the Sinful Woman

Eusebius of Caesarea

  • Church History
  • Life of Constantine
  • Oration of Constantine “to the Assembly of the Saints”
  • Oration in Praise of Constantine
  • Letter on the Council of Nicaea

Gennadius of Marseilles

  • Illustrious Men (Supplement to Jerome)

Gregory the Great

  • Pastoral Rule
  • Register of Letters

Gregory Nazianzen

  • Orations
  • Letters

Gregory of Nyssa

  • Against Eunomius
  • Answer to Eunomius’ Second Book
  • On the Holy Spirit (Against the Followers of Macedonius)
  • On the Holy Trinity, and of the Godhead of the Holy Spirit (To Eustathius)
  • On “Not Three Gods” (To Ablabius)
  • On the Faith (To Simplicius)
  • On Virginity
  • On Infants’ Early Deaths
  • On Pilgrimages
  • On the Making of Man
  • On the Soul and the Resurrection
  • The Great Catechism
  • Funeral Oration on Meletius
  • On the Baptism of Christ (Sermon for the Day of Lights)
  • Letters

Gregory Thaumaturgus

  • A Declaration of Faith
  • A Metaphrase of the Book of Ecclesiastes
  • Canonical Epistle
  • The Oration and Panegyric Addressed to Origen
  • A Sectional Confession of Faith
  • On the Trinity
  • Twelve Topics on the Faith
  • On the Subject of the Soul
  • Four Homilies
  • On All the Saints
  • On Matthew 6:22-23


  • The Shepherd

Hilary of Poitiers

Hippolytus of Rome

  • The Refutation of All Heresies
  • Some Exegetical Fragments of Hippolytus
  • Expository Treatise Against the Jews
  • Against Plato, On the Cause of the Universe
  • Against the Heresy of Noetus
  • Discourse on the Holy Theophany
  • The Antichrist
  • On the Apostolic Tradition

Ignatius of Antioch

Irenaeus of Lyons

  • Against Heresies (Adversus haereses)
  • Fragments from the Lost Writings of Irenaeus


  • Letters
  • The Perpetual Virginity of Blessed Mary
  • To Pammachius Against John of Jerusalem
  • The Dialogue Against the Luciferians
  • The Life of Malchus, the Captive Monk
  • The Life of S. Hilarion
  • The Life of Paulus the First Hermit
  • Against Jovinianus
  • Against Vigilantius
  • Against the Pelagians
  • Prefaces
  • De Viris Illustribus (Illustrious Men)
  • Apology for himself against the Books of Rufinus

John of Damascus

John Cassian

  • Institutes
  • Conferences
  • On the Incarnation of the Lord (Against Nestorius)

John Chrysostom

  • Homilies on the Gospel of St. Matthew
  • Homilies on Acts
  • Homilies on Romans
  • Homilies on First Corinthians
  • Homilies on Second Corinthians
  • Homilies on Ephesians
  • Homilies on Philippians
  • Homilies on Colossians
  • Homilies on First Thessalonians
  • Homilies on Second Thessalonians
  • Homilies on First Timothy
  • Homilies on Second Timothy
  • Homilies on Titus
  • Homilies on Philemon
  • Commentary on Galatians
  • Homilies on the Gospel of John
  • Homilies on the Epistle to the Hebrews
  • Homilies on the Statues
  • No One Can Harm the Man Who Does Not Injure Himself
  • Two Letters to Theodore After His Fall
  • Letter to a Young Widow
  • Homily on St. Ignatius
  • Homily on St. Babylas
  • Homily Concerning “Lowliness of Mind”
  • Instructions to Catechumens
  • Three Homilies on the Power of Satan
  • Homily on the Passage “Father, if it be possible . . .”
  • Homily on the Paralytic Lowered Through the Roof
  • Homily on the Passage “If your enemy hunger, feed him.”
  • Homily Against Publishing the Errors of the Brethren
  • First Homily on Eutropius
  • Second Homily on Eutropius (After His Captivity)
  • Four Letters to Olympias
  • Letter to Some Priests of Antioch
  • Correspondence with Pope Innocent I
  • On the Priesthood

Julius Africanus

  • Extant Writings

Justin Martyr


  • The Divine Institutes
  • The Epitome of the Divine Institutes
  • On the Anger of God
  • On the Workmanship of God
  • Of the Manner In Which the Persecutors Died
  • Fragments of Lactantius
  • The Phoenix
  • A Poem on the Passion of the Lord

Leo the Great

  • Sermons
  • Letters


  • Epistle

Mar Jacob

  • Canticle on Edessa
  • Homily on Habib the Martyr
  • Homily on Guria and Shamuna


  • Epistle to Diognetus


  • The Banquet of the Ten Virgins
  • Concerning Free Will
  • From the Discourse on the Resurrection
  • Fragments
  • Oration Concerning Simeon and Anna
  • Oration on the Psalms
  • Three Fragments from the Homily on the Cross and Passion of Christ

Minucius Felix

  • Octavius

Moses of Chorene

  • History of Armenia


  • Treatise Concerning the Trinity
  • On the Jewish Meats



  • Exposition on the Acts of the Apostles


  • Fragments

Peter of Alexandria

  • The Genuine Acts
  • The Canonical Epistle
  • Fragments



  • Apology
  • Commentary on the Apostles’ Creed
  • Prefaces and Other Works

Socrates Scholasticus

  • Ecclesiastical History


  • Ecclesiastical History

Sulpitius Severus

  • On the Life of St. Martin
  • Letters — Genuine and Dubious
  • Dialogues
  • Sacred History


  • Address to the Greeks
  • Fragments
  • The Diatessaron


  • The Apology
  • On Idolatry
  • De Spectaculis (The Shows)
  • De Corona (The Chaplet)
  • To Scapula
  • Ad Nationes
  • An Answer to the Jews
  • The Soul’s Testimony
  • A Treatise on the Soul
  • The Prescription Against Heretics
  • Against Marcion
  • Against Hermogenes
  • Against the Valentinians
  • On the Flesh of Christ
  • On the Resurrection of the Flesh
  • Against Praxeas
  • Scorpiace
  • Appendix (Against All Heresies)
  • On Repentance
  • On Baptism
  • On Prayer
  • Ad Martyras
  • The Martyrdom of Perpetua and Felicity (Sometimes attributed to Tertullian)
  • Of Patience
  • On the Pallium
  • On the Apparel of Women
  • On the Veiling of Virgins
  • To His Wife
  • On Exhortation to Chastity
  • On Monogamy
  • On Modesty
  • On Fasting
  • De Fuga in Persecutione


  • Counter-Statements to Cyril’s 12 Anathemas against Nestorius
  • Ecclesiastical History
  • Dialogues (“Eranistes” or “Polymorphus”)
  • Demonstrations by Syllogism
  • Letters


  • Excerpts


  • Theophilus to Autolycus


  • Poem on Easter


  • On the Creation of the World
  • Commentary on the Apocalypse of the Blessed John

Vincent of Lérins

  • Commonitory for the Antiquity and Universality of the Catholic Faith
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