Columbia subject headings:
Harvard subject headings:
Catacombs--Italy--Colleferro.
Cimitero di S. Ilario (Catacomb : Colleferro, Italy)
Colleferro (Italy)--Antiquities.
Princeton subject headings:
Catacombs--Italy--Lazio.
Christian antiquities--Italy--Lazio.
Lazio (taly)--Antiquities.