Resources on Early Christianity

Fourth-Century Christianity

Loeb Classical Library Online

Institut des Sources Chrétiennes

Early Christian Writings

The Tertullian Project

Patrologia Orientalis (PO)

Greek Christianity

Patrologia Graeca (PG)

Latin Christianity

Dictionnaire Latin-Français des auteurs chrétiens

Corpus Scriptorum Ecclesiasticorum Latinorum (CSEL)

Patrologia Latina (PL)