Columbia subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
String quartets--Scores.
Harvard subject headings:
Mozart, Wolfgang Amadeus, 1756-1791--Manuscripts--Facsimiles.
Music--Manuscripts--Facsimiles.
String quartets--Scores.
Princeton subject headings: