Columbia subject headings:
Citizenship--Rome--Congresses.
Civilization, Classical--Congresses.
Greece--History--146 B.C.-323 A.D.--Congresses.
Romans--Greece--Congresses.
Romans--Turkey--Congresses.
Turkey--History--To 1453--Congresses.
Harvard subject headings:
Citizenship--Rome--Congresses.
Civilization, Classical--Congresses
Greece--History--146 B.C.-323 A.D.--Congresses.
Romans--Greece--Congresses.
Romans--Turkey--Congresses.
Turkey--History--To 1453--Congresses.
Princeton subject headings:
Citizenship--Rome--Congresses.
Civilization, Classical--Congresses.
Greece--History--146 B.C.-323 A.D.--Congresses.
Romans--Greece--Congresses.
Romans--Turkey--Congresses.
Turkey--History--To 1453--Congresses.