Columbia subject headings:
Greeks--Middle East--History--To 1500--Congresses.
Middle East--Civilization--To 622--Congresses.
Harvard subject headings:
Greeks--Middle East--History--To 1500--Congresses.
Middle East--Civilization--To 622--Congresses.
Princeton subject headings:
Achaia (Greece)--History--Congresses.
Asia (Roman province)--History--Congresses.
Greece--History--146 B.C.-323 A.D.--Congresses.
Romans--Greece--History--Congresses.