Wall Painting from Pompeii

"Canon Law" in early Christian Communities
Didach (Doctrine of the Twelve Apostles) and other collections of moral precepts that circulated before ca. 300 A.D.

Emperor Constantine, Bronze, ca. 312-334 A.D.

Capitoline Museum, Rome

The Structure of Early Christian Communities (Short history of Canon Law)

Diaconi (Male and Female, Servers)

Presbyteri (Elders)

Episcopi (Stewards)

Domus/Ecclesia

Early Christian Norms for Accusations against Clerics

Constantine: Audientia episcopalis 

Early Church Councils