Columbia subject headings:
Donatoni, Franco, 1927-2000--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Quartets (Pianos (2), percussion)--Scores.
Harvard subject headings:
Donatoni, Franco, 1927-2000--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Quartets (Pianos (2), percussion)--Scores.
Princeton subject headings: