Columbia subject headings:
Agrigento (Italy)--Antiquities--Congresses.
Greeks--Italy--Agrigento--Antiquities--Congresses.
Harvard subject headings:
Agrigento (Italy)--Antiquities--Congresses.
Greeks--Italy--Agrigento--Antiquities--Congresses.
Princeton subject headings:
Agrigento (Italy)--Antiquities--Congresses.
Greeks--Italy--Agrigento--Antiquities--Congresses.
Sicily (Italy)--Antiquities--Congresses.
Sicily (Italy)--Civilization--Greek influences--Congresses.