Columbia subject headings:
Architecture, Roman--Greece.
Civilization, Greco-Roman--Congresses.
Greece--Civilization--Congresses.
Rome--Civilization--Greek influences--Congresses.
Harvard subject headings:
Greece--Civilization--Congresses.
Greece--History--146 B.C.-323 A.D.--Congresses.
Princeton subject headings:
Architecture, Roman--Greece.
Civilization, Greco-Roman--Congresses.
Greece--Civilization--Congresses.
Rome--Civilization--Greek influences--Congresses.