Columbia subject headings:
Piano music.
Sonatas (Piano)
Sonatas (Violin and piano)
Songs (High voice) with piano.
Variations (Piano)
Harvard subject headings:
Piano music
Sonatas (Piano)
Sonatas (Violin and piano)
Songs (High voice) with piano.
Variations (Piano)
Princeton subject headings:
Piano music.
Sonatas (Violin and piano)
Songs (High voice) with piano.