Columbia subject headings:
Byzantine Empire--History.
Coptic Church--Egypt--History.
Egypt--History--To 640 A.D.--Coptic perspective.
Egypt--History.
History, Ancient.
Harvard subject headings:
Princeton subject headings:
Byzantine Empire--History.
Coptic Church--Egypt--History.
Egypt--History--To 640 A.D.
Egypt--History.
History, Ancient.