Columbia subject headings:
Egypt--History--To 640 A.D.--Congresses.
Harvard subject headings:
Egypt--Civilization--332 B.C.-638 A.D.--Congresses.
Egypt--Civilization--Congresses.
Egypt--History--Greco Roman period, 332 B.C.-640 A.D.--Congresses.
Princeton subject headings:
Egypt--History--To 640 A.D.--Congresses.