Columbia subject headings:
Harvard subject headings:
Christian antiquities--Italy--Ercolano.
Cross of Herculaneum.
Crosses--Italy--Ercolano.
Ercolano (Italy)--Antiquities.
Herculaneum (Extinct city)--Antiquities.
Italy--Antiquities.
Princeton subject headings:
Christian antiquities--Italy--Ercolano.
Crosses--Italy--Ercolano.
Ercolano (Italy)--Antiquities.
Italy--Antiquities.