Columbia subject headings:
Harvard subject headings:
Music--Manuscripts--Facsimiles
Operas--Scores
Steffani, Agostino, 1654-1728--Manuscripts--Facsimiles.
Princeton subject headings:
Music--Manuscripts--Facsimiles.
Operas--Scores.
Operas.
Scores.
Steffani, Agostino, 1654-1728--Manuscripts--Facsimiles.