Columbia subject headings:
Antiquities, Prehistoric--Italy--Sicily--Congresses.
Excavations (Archaeology)--Italy--Sicily--Congresses.
Prehistoric peoples--Italy--Sicily--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Harvard subject headings:
Antiquities, Prehistoric--Italy--Sicily--Congresses.
Excavations (Archaeology)--Italy--Sicily--Congresses.
Prehistoric peoples--Italy--Sicily--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Princeton subject headings: