Columbia subject headings:
Ivan IV, Czar of Russia, 1530-1584--Drama.
Operas--Vocal scores with piano.
Harvard subject headings:
Ivan IV, Czar of Russia, 1530-1584--Drama.
Operas--Vocal scores with piano
Princeton subject headings:
Arrangements (Music)
Ivan IV, Czar of Russia, 1530-1584--Drama.
Operas--Vocal scores with piano.
Operas.
Vocal scores.