Columbia subject headings:
Operas--Vocal scores with piano.
Xerxes I, King of Persia, 519 B.C.-465 B.C. or 464 B.C.--Drama.
Harvard subject headings:
Operas--Vocal scores with piano
Xerxes I, King of Persia, 519 B.C.-465 B.C. or 464 B.C.--Drama.
Princeton subject headings:
Arrangements (Music)
Operas--Vocal scores with piano.
Operas.
Vocal scores.
Xerxes I, King of Persia, 519 B.C.-465 B.C. or 464 B.C.--Drama.