Columbia subject headings:
Ligeti, György, 1923-2006--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Piano music (Pianos (2))
Harvard subject headings:
Princeton subject headings:
Ligeti, György, 1923---Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Piano music (Pianos (2))