Columbia subject headings:
Egypt--Religion--332 B.C.-640 A.D.
Emperor worship--Egypt.
Emperor worship--Rome.
Romans--Egypt--History.
Harvard subject headings:
Egypt--History--30 B.C.-640 A.D.
Egypt--Kings and rulers--Religious aspects--History--To 1500.
Emperor worship--Egypt--History--To 1500.
Princeton subject headings:
Egypt--Religion--332 B.C.-640 A.D.
Emperor worship--Egypt.
Emperor worship--Rome.
Romans--Egypt--History.