Columbia subject headings:
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles
Operas--Excerpts--Scores
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Manuscripts--Facsimiles.
Excerpts.
Music--Manuscripts--Facsimiles.
Operas--Excerpts--Scores.
Operas.
Scores.