Columbia subject headings:
Greece--History--146 B.C.-323 A.D.--Congresses.
Greece--History--323-1453--Congresses.
Greece--Relations--Middle East--Congresses.
Middle East--History--To 622--Congresses.
Middle East--Relations--Greece--Congresses.
Harvard subject headings:
Greece--History--146 B.C.-323 A.D.--Congresses.
Greece--History--323-1453--Congresses.
Greece--Relations--Middle East--Congresses.
Middle East--History--To 622--Congresses.
Middle East--Relations--Greece--Congresses.
Princeton subject headings:
Greece--History--146 B.C.-323 A.D.--Congresses.
Greece--History--323-1453--Congresses.
Greece--Relations--Middle East--Congresses.
Middle East--History--To 622--Congresses.
Middle East--Relations--Greece--Congresses.