Columbia subject headings:
Harvard subject headings:
Greece--History--Persian Wars, 500 B.C.-449 B.C.
Greece--History--Persian Wars, 500-449 B.C.
Greece--Relations--Iran.
Iran--Civilization--Greek influences.
Iran--Relations--Greece.
Princeton subject headings:
Greece--History--Persian Wars, 500-449 B.C.
Greece--Relations--Iran.
Iran--Civilization--Greek influences.
Iran--Relations--Greece.