Columbia subject headings:
Beethoven, Ludwig van, 1770-1827--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Sonatas (Piano)
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Sonatas (Piano)
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Sonatas (Piano)
Sonatas.