Columbia subject headings:
Andriessen, Louis, 1939-2021--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Plato--Musical settings.
Vocal quartets with instrumental ensemble--Scores.
Harvard subject headings:
Princeton subject headings:
Andriessen, Louis, 1939---Manuscripts--Facsimiles.
Plato--Musical settings.
Scores.
Vocal quartets with instrumental ensemble--Scores.