Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Italy--Sicily--Congresses.
Excavations (Archaeology)--Mediterranean Region--Congresses
Mediterranean Sea--History--Congresses.
Sicily (Italy)--History--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Italy--Sicily--Congresses.
Excavations (Archaeology)--Mediterranean Region--Congresses.
Mediterranean Region--Antiquities--Congresses.
Sicily (Italy)--Antiquities--Congresses.