Columbia subject headings:
Music--Manuscripts--Facsimiles.
Schumann, Robert, 1810-1856--Manuscripts--Facsimiles.
Vocal quartets with piano.
Harvard subject headings:
Music--Manuscripts--Facsimiles
Schumann, Robert, 1810-1856--Manuscripts--Facsimiles.
Vocal quartets with piano.
Princeton subject headings:
Music--Manuscripts--Facsimiles.
Schumann, Robert, 1810-1856--Manuscripts--Facsimiles.
Songs.
Vocal quartets with piano.