Columbia subject headings:
Cyrus, the Great, King of Persia, -530 B.C. or 529 B.C.
Iran--History--To 640.
Middle East--History.
Harvard subject headings:
Cyrus, the Great, King of Persia, -530 B.C. or 529 B.C.
Iran--History--To 640.
Middle East--History--To 622.
Princeton subject headings: