Columbia subject headings:
Campania (Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Campania--Congresses.
Natural history--Italy--Campania--Congresses.
Harvard subject headings:
Campania (Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Campania--Congresses.
Natural history--Italy--Campania--Congresses.
Princeton subject headings:
Campania (Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Campania--Congresses.
Natural history--Italy--Campania--Congresses.