Alexander of Alexandria [SAINT]
  - Epistles on the Arian Heresy and the Deposition of Arius

Alexander of Lycopolis
  - Of the Manicheans

Ambrose (340-397) [SAINT] [DOCTOR]
  - 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

Aphrahat/Aphraates (c. 280-367)
  - Demonstrations

  - Acts of the Disputation with the Heresiarch Manes

Aristides the Philosopher
  - The Apology

  - Against the Heathen

Athanasius [SAINT] [DOCTOR]
  - Against the Heathen
  - On the Incarnation of the Word
  - Deposition of Arius
  - Statement of Faith
  - On Luke 10:22 (Matthew 11:27)
  - Circular Letter
  - Apologia Contra Arianos
  - De Decretis
  - De Sententia Dionysii
  - Vita S. Antoni (Life of St. Anthony)
  - 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

  - A Plea for the Christians
  - The Resurrection of the Dead

Augustine of Hippo [SAINT] [DOCTOR]
  - 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

Bardesanes (154-222)
  - The Book of the Laws of Various Countries

Barnabas [SAINT]
  - Epistle of Barnabas

Basil the Great [SAINT] [DOCTOR]
  - De Spiritu Sancto
  - Nine Homilies of Hexaemeron
  - Letters

  - Fragments

Clement of Alexandria [SAINT]
  - Who is the Rich Man That Shall Be Saved?
  - Exhortation to the Heathen
  - The Instructor
  - The Stromata, or Miscellanies
  - Fragments

Clement of Rome [SAINT]
  - First Epistle
  - Second Epistle [SPURIOUS]
  - Two Epistles Concerning Virginity [SPURIOUS]
  - Recognitions [SPURIOUS]
  - Clementine Homilies [SPURIOUS]

  - Writings

Cyprian of Carthage [SAINT]
  - 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 [SAINT] [DOCTOR]
  - Catechetical Lectures

Dionysius of Rome [SAINT]
  - Against the Sabellians

Dionysius the Great
  - Epistles and Epistolary Fragments
  - Exegetical Fragments
  - Miscellaneous Fragments

Ephraim the Syrian (306-373) [SAINT] [DOCTOR]
  - 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 (c. 265-c. 340)
  - 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, Pope (c. 540-604) [SAINT] [DOCTOR]
  - Pastoral Rule
  - Register of Letters

Gregory Nazianzen [SAINT] [DOCTOR]
  - Orations
  - Letters

Gregory of Nyssa [SAINT]
  - 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 [SAINT]
  - 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 Pastor (or "The Shepherd")

Hilary of Poitiers [SAINT] [DOCTOR]
  - On the Councils, or the Faith of the Easterns
  - On the Trinity
  - Homilies on the Psalms

Hippolytus [SAINT]
  - 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
  - The End of the World (Pseudonymous)
  - The Apostles and the Disciples (Pseudonymous)

Ignatius of Antioch [SAINT]
  - Epistle to the Ephesians
  - Epistle to the Magnesians
  - Epistle to the Trallians
  - Epistle to the Romans
  - Epistle to the Philadelphians
  - Epistle to the SmyrnŠans
  - Epistle to Polycarp
  - The Martyrdom of Ignatius
  - The Spurious Epistles

Irenaeus of Lyons [SAINT]
  - 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 [SAINT] [DOCTOR]
  - Exposition of the Faith

John Cassian (c. 360-c. 435)
  - Institutes
  - Conferences
  - On the Incarnation of the Lord (Against Nestorius)

John Chrysostom [SAINT] [DOCTOR]
  - 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 [SAINT]
  - First Apology
  - Second Apology
  - Dialogue with Trypho
  - Hortatory Address to the Greeks
  - On the Sole Government of God
  - Fragments of the Lost Work on the Resurrection
  Miscellaneous Fragments from Lost Writings
  Martyrdom of Justin, Chariton, and other Roman Martyrs
  - Discourse to the Greeks

  - 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, Pope (c. 395-461) [SAINT] [DOCTOR]
  - Sermons
  - Letters

  - Epistle

Mar Jacob (452-521)
  - 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 (c. 400-c. 490)
  - History of Armenia

  - Treatise Concerning the Trinity
  - On the Jewish Meats

  - De Principiis
  - Africanus to Origen
  - Origen to Africanus
  - Origen to Gregory
  - Against Celsus
  - Letter of Origen to Gregory
  - Commentary on the Gospel of John
  - Commentary on the Gospel of Matthew

Pamphilus [SAINT]
  - Exposition on the Acts of the Apostles

Papias [SAINT]
  - Fragments

Peter of Alexandria [SAINT]
  - The Genuine Acts
  - The Canonical Epistle
  - Fragments

Polycarp [SAINT]
  - Epistle to the Philippians
  - The Martyrdom of Polycarp

  - Apology
  - Commentary on the Apostles' Creed
  - Prefaces and Other Works

Socrates Scholasticus (c. 379-c. 450)
  - Ecclesiastical History

Sozomen (c. 375-c. 447)
  - Ecclesiastical History

Sulpitius Severus (c. 363-c. 420)
  - 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

Victorinus [SAINT]
  - On the Creation of the World
  - Commentary on the Apocalypse of the Blessed John

Vincent of LÚrins (d. c. 450) [SAINT]
  - Commonitory for the Antiquity and Universality of the Catholic Faith


  - The Liturgy of James
  - The Liturgy of Mark
  - The Liturgy of the Blessed Apostles

  - Carthage under Cyprian (257) [LOCAL]
  - Ancyra (314) [LOCAL]
  - Neocaesarea (315) [LOCAL]
  - Nicaea I (325) [ECUMENICAL]
  - Antioch in Encaeniis (341) [LOCAL]
  - Gangra (343) [LOCAL]
  - Sardica (344) [LOCAL]
  - Constantinople I (381) [ECUMENICAL]
  - Constantinople (382) [LOCAL]
  - Laodicea (390) [LOCAL]
  - Constantinople under Nectarius (394) [LOCAL]
  - Carthage (419) [LOCAL]
  - Ephesus (431) [ECUMENICAL]
  - Chalcedon (451) [ECUMENICAL]
  - Constantinople II (553) [ECUMENICAL]
  - Constantinople III (680) [ECUMENICAL]
  - Constantinople/"Trullo"/Quinisext (692) [LOCAL]
  - Nicaea II (787) [ECUMENICAL]

  - Apocalypse of Peter (c. 130)
  - Protoevangelium of James (c. 150)
  - Acts of Paul and Thecla (c. 180)
  - Gospel of Peter (c. 190) [DOCETIC]
  - The Testaments of the Twelve Patriarchs (c. 192) [EBIONITIC]
  - Acts of Peter and Paul (c. 200)
  - Gospel of Thomas (c. 200) [GNOSTIC]
  - Acts of Thomas (c. 240) [GNOSTIC]
  - Acts of Thaddaeus (c. 250)
  - Acts of Andrew (c. 260) [GNOSTIC]
  - Acts of Xanthippe and Polyxena (c. 270)
  - Acts of John [DOCETIC]
  - Acts of Philip (c. 350)
  - Apocalypse of Paul (c. 380)
  - Gospel of Nicodemus (Including "Acta Pilati") (c. 150-400)
  - The Doctrine of Addai (c. 400) -- This is a Syriac version of the earlier Acts of Thaddaeus (s.v.)
  - Assumption of Mary (c. 400)
  - History of Joseph the Carpenter (c. 400)
  - Gospel of Pseudo-Matthew (c. 400)
  - Acts of Barnabas (c. 500)
  - Acts of Bartholomew (c. 500) [NESTORIAN]
  - Acts and Martyrdom of St. Matthew the Apostle (c. 550) [ABYSSINIAN]
  - Arabic Gospel of the Infancy of the Saviour (c. 600)
  - Avenging of the Saviour (c. 700)
  - Apocalypse of John (unknown date; late)
  - Apocalypse of Moses (unknown date) [JUDAISTIC]
  - Apocalypse of Esdras (unknown date) [JUDAISTIC]
  - Testament of Abraham (unknown date) [JUDAISTIC]
  - Narrative of Zosimus (unknown date)
  - Gospel of the Nativity of Mary (unknown date; late)
  - Narrative of Joseph of Arimathea (unknown date; late)
  - Report of Pontius Pilate (unknown date; late)
  - Letter of Pontius Pilate (unknown date; late)
  - Giving Up of Pontius Pilate (unknown date; late)
  - Death of Pilate (unknown date; late)
  - Apocalypse of the Virgin (unknown date; very late)
  - Apocalypse of Sedrach (unknown date; very late)
  - Acts of Andrew and Matthias
  - Acts of Peter and Andrew
  - Consummation of Thomas the Apostle

  - The Didache (c. 100)
  - Apostolic Constitutions (c. 400)
  - The Legend of Barlaam and Josaphat
  - The Passion of the Scillitan Martyrs (c. 180)
  - A Treatise Against the Heretic Novatian (c. 255)
  - A Treatise on Re-Baptism (c. 255)
  - Remains of the Second and Third Centuries (various dates)
  - Apostolic Canons (c. 400) -- See Apostolic Constitutions, Book VIII, Chapter 47
  - Acts of Sharbil (unknown date) [SYRIAC]
  - The Martyrdom of Barsamya (unknown date) [SYRIAC]
  - Extracts from Various Books Concerning Abgar the King and Addaeus the Apostle (unknown date) [SYRIAC]
  - The Teaching of the Apostles (unknown date) [SYRIAC]
  - The Teaching of Simon Cephas in the City of Rome (unknown date) [SYRIAC]
  - Martyrdom of Habib the Deacon (unknown date) [SYRIAC]
  - Martyrdom of the Holy Confessors Shamuna, Guria, and Habib (unknown date) [SYRIAC]
  - A Letter of Mara, Son of Serapion (unknown date) [SYRIAC]
  - Ambrose (unknown date) [SYRIAC]
The False Decretals (c. 850)