Alexander of Alexandria
- Epistles
on the Arian Heresy and the Deposition of Arius
Alexander of Lycopolis
- Of
the Manicheans
Ambrose (340-397)
- 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
Archelaus
- Acts
of the Disputation with the Heresiarch Manes
Aristides the Philosopher
- The
Apology
Arnobius
- Against
the Heathen
Athanasius
- Against
the Heathen
- On the
Incarnation of the Word
- Deposition
of Arius
- 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
Athenagoras
- A Plea
for the Christians
- The
Resurrection of the Dead
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
- 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
- Epistle
of Barnabas
Basil the Great
- De
Spiritu Sancto
- Nine
Homilies of Hexaemeron
- Letters
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
- First
Epistle
- Second
Epistle [SPURIOUS]
- Two
Epistles Concerning Virginity
[SPURIOUS]
- Recognitions
[SPURIOUS]
Cyprian of Carthage
- The Life
and Passion of Cyprian
- 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
- Extant
Fragments
- Exegetical
Fragments
Ephraim the Syrian (306-373)
- 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)
- 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
- On All
the Saints
- On
Matthew 6:22-23
Hermas
- The
Pastor (or "The Shepherd")
Hilary of Poitiers
- On the
Councils, or the Faith of the Easterns
- On the
Trinity
- Homilies
on the Psalms
Hippolytus
- The
Refutation of All Heresies
- The
Extant Works and Fragments of Hippolytus: Exegetical
- 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
- Appendix
Ignatius of Antioch
- Epistle
to the Ephesians
- Epistle
to the Magnesians
- Epistle
to the Trallians
- Epistle
to the Romans
- Epistle
to the Philadelphians
- Epistle
to the Smyraeans
- Epistle
to Polycarp
- The
Martyrdom of Ignatius
- The
Spurious Epistles
Irenaeus of Lyons
- Adversus
haereses
- Fragments
from the Lost Writings of Irenaeus
Jerome
- 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
- Exposition
of the Faith
John Cassian (c. 360-c. 435)
- 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
- 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
Lactantius
- 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)
- Sermons
- Letters
Malchion
- Extant
Writings
Mar Jacob (452-521)
- Canticle
on Edessa
- Homily
on Habib the Martyr
- Homily
on Guria and Shamuna
Mathetes
- Epistle
to Diognetus
Methodius
- 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
- Some
Other Fragments
Moses of Chorene (c. 400-c. 490)
- History
of Armenia
Novatian
- Treatise
Concerning the Trinity
- On the
Jewish Meats
Origen
- Origen
de Principiis
- Africanus
to Origen
- Origen
to Africanus
- Origen
to Gregory
- Origen
Against Celsus
- Letter
of Origen to Gregory
- Commentary
on the Gospel of John
- Commentary
on the Gospel of Matthew
Peter of Alexandria
- The
Genuine Acts of Peter
- The
Canonical Epistle
- Fragments
Polycarp
- Epistle
to the Philippians
- The
Martyrdom of Polycarp
Rufinus
- Apology
- Commentary
on the Apostles' Creed
- Prefaces
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
Tatian
- Address
to the Greeks
- Fragments
- The
Diatessaron
Tertullian
- The
Apology
- On
Idolatry
- De
Spectaculis (The Shows)
- De
Corona (The Chaplet)
- To
Scapula
- Ad
Nationes
- (A
Fragment)
- 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
Theodoret
- Counter-Statements
to Cyril's 12 Anathemas against Nestorius
- Ecclesiastical
History
- Dialogues
("Eranistes" or "Polymorphus")
- Demonstrations
by Syllogism
- Letters
Theodotus
- Excerpts
Theophilus
- Theophilus
to Autolycus
Venantius
- Poem on
Easter
Victorinus
- On the
Creation of the World
- Commentary
on the Apocalypse of the Blessed John
Vincent of Lérins (d. c. 450)
- Commonitory
for the Antiquity and Universality of the Catholic Faith