Columbia subject headings:
Octets (Piano, clarinet, English horn, flute, horn, violin, viola, cello)--Scores.
Harvard subject headings:
Knussen, Oliver--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Octets (Piano, clarinet, English horn, flute, horn, violin, viola, cello)--Scores.
Princeton subject headings: