Church Fathers · Catholic tradition
The Writings of the Apostolic Fathers
Clement of Rome, Ignatius of Antioch, Polycarp, and others. The earliest Christian writings after the New Testament: Clement's letter to the Corinthians, the letters of Ignatius and Polycarp, the Martyrdom of Polycarp, the Epistle of Barnabas, the Shepherd of Hermas, and related texts.