Columbia subject headings:
Excavations (Archaeology)--Italy--Sicily--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History--To 800--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Italy--Sicily--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History--To 800--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Italy--Sicily--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History--To 800--Congresses.