Columbia subject headings:
Athens (Greece)--Civilization--Congresses.
Athens (Greece)--Relations--Italy--Magna Graecia--Congresses.
Magna Graecia (Italy)--Relations--Greece--Athens--Congresses.
Harvard subject headings:
Athens (Greece)--Civilization--Congresses.
Athens (Greece)--Relations--Italy--Magna Graecia--Congresses.
Civilization, Classical--Congresses.--Congresses.
Magna Graecia (Italy)--Relations--Greece--Athens--Congresses.
Princeton subject headings:
Athens (Greece)--Relations--Italy--Magna Graecia--Congresses.
Magna Graecia (Italy)--Relations--Greece--Athens--Congresses.