Columbia subject headings:
Music--Manuscripts--Facsimiles.
Operas--Scores.
Harvard subject headings:
Handel, George Frideric, 1685-1759--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles
Operas--Scores
Princeton subject headings:
Handel, George Frideric, 1685-1759--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
Operas--Scores.
Operas.
Scores.