Cubiculum of Leonis, Catacomb of Commodilla, Rome. Late 3rd-early 4th century.


Khan Academy Articles and video

Christianity, an introduction for the study of art  history

Early Christian Art, an Introduction

Early Christian Art

Catacomb of Priscilla, Rome


The Vatican Website

The Christian Catacombs of Rome


National Geographic Article

Rome’s Ancient Catacombs


BBC Article

The Secrets of Santa Priscilla Catacombs


PBS Article

In the Catacombs: From Jesus to Christ, the First Christians