Columbia subject headings:
Art, Roman--Italy--Herculaneum (Extinct city)--Congresses.
Herculaneum (Extinct city)--Congresses.
Pompeii (Extinct city)--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Italy--Herculaneum (Extinct city)--Congresses.
Herculaneum (Extinct city)--Congresses.
Princeton subject headings:
Herculaneum (Extinct city)--Congresses.
Italy--Antiquities, Roman--Congresses.