Theophilus to Autolycus

Ante-Nicene Fathers Vol 2 - Fathers of the Second Century

St. Theophilus of Antioch, St. Clement of Alexandria

Biblical Trinity

Theophilus

On Prayer

Origen

Nicene and Post-Nicene Fathers S1 Vol 07 - Augustine - Homilies on the Gospel of John, Homilies on the First Epistle of John, Soliloquies

St. Augustine

Nicene and Post-Nicene Fathers S2 Vol 12 - Leo the Great, Gregory the Great

Pope Gregory I of Rome, Pope Leo I of Rome

Saint Cyril of Alexandria and the Christological Controversy

Father John McGuckin

Lectures in Patrology: The Apostolic Fathers

Father Tadros Yacoub Malaty

Faith Gives Fullness To Reasoning

The Five Theological Orations of Saint Gregory of Nazianzus

The Instructor

Saint Clement of Alexandria

Nicene and Post-Nicene Fathers S2 Vol 01 - Eusebius Pamphilius - Church History, Life of Constantine, Oration in Praise of Constantine

Eusebius of Caesarea

Early Christian Doctrines

J.N.D. Kelly

Hebrews

Saint John Chrysostom

Treasures of the Fathers of the Church Volume Three: The Holy Pascha

The Shepherd of Hermas

The Festal Epistles of Saint Athanasius

St. Athanasius the Apostolic

The Nicene and Post Nicene Fathers: Saint Augustine

Parousia Magazine