Columbia subject headings:
Catacombs--Italy--Rome.
Mural painting and decoration, Early Christian--Italy--Rome.
Mural painting and decoration--Italy--Rome.
Harvard subject headings:
Catacombs--Italy--Rome
Mural painting and decoration, Early Christian--Italy--Rome.
Mural painting and decoration--Italy--Rome
Princeton subject headings:
Catacombs--Italy--Rome.
Mural painting and decoration, Early Christian--Italy--Rome.
Mural painting and decoration--Italy--Rome.