Primitive Church

A fresco of the Good Shepherd from the Catacomb of Priscilla, Rome, 3rd century CE.

The Progress of the Christian Religion, and the Sentiments, Manners, Numbers, and Condition of the Primitive Christians

Chapter XV of Edward Gibbon's The History of the Decline and Fall of the Roman Empire examines the progress of the Christian religion and the sentiments, manners, numbers, and condition of the primitive Christians.