Columbia subject headings:
Instrumental ensembles--Scores.
Lachenmann, Helmut--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Harvard subject headings:
Chamber music.
Facsimiles
Instrumental ensembles--Scores.
Lachenmann, Helmut--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Scores.
Princeton subject headings:
Instrumental ensembles--Scores.
Scores.