Columbia subject headings:
Mediterranean Region--Antiquities--Congresses.
Mediterranean Region--History, Military--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History, Military--Congresses.
Harvard subject headings:
Mediterranean Region--Antiquities--Congresses.
Mediterranean Region--History, Military--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History, Military--Congresses.
Princeton subject headings:
Mediterranean Region--Antiquities--Congresses.
Mediterranean Region--History, Military--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--History, Military--Congresses.