The Formula of Hormisdas
The Letter of Stephen of Dora to Pope St. Martin I
On the Virtues and the Vices by St. John of Damascus
St. John Cassian’s Advice on Conquering Lust
An Early Eucharistic Canon (c. A.D. 225)
The Martyrdom of Polycarp
The Didache, or The Teaching of the Twelve Apostles
The Epistle of Ignatius to the Romans
The Fifth Century Monk St. Vincent of Lérins Against Sola Scriptura
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