Columbia subject headings:
Catacombs--Italy--Rome.
Christian antiquities--Italy--Rome.
Inscriptions, Latin--Italy--Rome.
Italy--Antiquities.
Harvard subject headings:
Inscriptions, Latin--Italy--Rome
Seals (Numismatics)--Italy--Rome.
Princeton subject headings:
Catacombs--Italy--Rome.
Christian antiquities--Italy--Rome.
Inscriptions, Latin--Italy--Rome.
Italy--Antiquities.