Tolong jelaskan mengenai Catatan dari Katakomba Roma

The Vatican: spirit and art of Christian Rome, a book from The Metropolitan Museum of Art Libraries (fully available online as PDF), which contains material on the catacombs

Catacomb of Commodilla; Interior, View of the Cubiculum Leonis with Christ between Alpha and Omega on the Central Panel; Early Christian; Creation date: 4th century