Columbia subject headings:
Andriessen, Louis, 1939-2021--Manuscripts--Facsimiles.
Chamber orchestra music--Scores.
Harvard subject headings:
Andriessen, Louis, 1939-2021--Manuscripts--Facsimiles.
Chamber orchestra music--Scores
Music--Manuscripts--Facsimiles.
Princeton subject headings:
Instrumental ensembles--Scores.
Scores.