Columbia subject headings:
Harvard subject headings:
Civilization, Greco-Roman--Congresses
Hellenism--Congresses
Italy--Civilization--Greek influences--Congresses.
Rome--Civilization--Greek influences--Congresses.
Princeton subject headings:
Civilization, Greco-Roman--Congresses.
Greeks--Rome--History--Congresses.
Hellenism--Congresses.
Italy--Antiquities--Congresses.
Rome--Antiquities--Congresses.
Rome--Civilization--Greek influences--Congresses.