50
Philo the Jew
75
New Testament
90
The Didache
94
Josephus
-Jewish Wars
-Antiquities of the Jews
96
Clement
-1 Clement
108
Ignatius
-various letters
125
Polycarp
-Epistle to the Phillipians
150
Justin Martyr
-First Apology
-Second Apology
-Dialogue with Trypho
180
Irenaeus
-Against Heresies
190
Tertullian
200
Origen
  - 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
300
Eusebius
- Church History
- Life of Constantine
350
Athanasius
370
Basil of Caesarea
380
Gregory of Nyssa
380
Gregory of Nazianzus
390
John Chrysostom
400
Augustine
-Confessions
570
Gregory the Great
-The Life of Benedict
560
Sophronius
730
John of Damascus
1080
Anselm of Canterbury
1130
Bernard of Clairvaux
-On Loving God
-Life of St. Malachy of Armagh
1144
Peter Lombard
1250
Aquinas
-Summa Theologica
1250
Bonaventure
1280
Mechthild of Magdeburg
1300
John Duns Scotus
1320
William of Ockham
1350
John of Ruysbroeck
1370
Julian of Norwich
1418
Thomas Kempis
-The Imitation of Christ
1500
Desiderius Erasmus
1510
Martin Luther
1520
Huldrych Zwingli
1524
Ignatius of Loyola
-Spiritual Exercises
1536
John Calvin
-Institutes of the Christian Religion
-Commentaries galore
1560
St. John of the Cross
-Dark Night of the Soul
1600
Hugo Grotius
1600
Jacobus Arminius
1678
John Bunyan
-The Pilgrim's Progress
1720
Joseph Butler
-Sermons
1730
Francis Hutcheson
1730
Jonathan Edwards
1750
John Wesley
1843
Soren Kierkegaard
-Fear and Trembling
1870
John Henry Newman
1900
St. Therese of Lisieux
-Story of a Soul
1908
G.K. Chesterton
-Heretics
-Orthodoxy
-The Everlasting Man
1920
Karl Barth
-The Epistle to the Romans
-Church Dogmatics
-The Humanity of God
1950
Paul Tillich
1950
C.S. Lewis
-Mere Christianity
-Screwtape Letters
-A Grief Observed
1966
Karl Reinhold Niebuhr