Columbia subject headings:
Piano music (4 hands)
Harvard subject headings:
Canons, fugues, etc. (Piano, 4 hands)
Marches (Piano, 4 hands)
Overtures (Piano, 4 hands)
Piano music (4 hands)
Polonaises.
Rondos (Piano, 4 hands)
Sonatas (Piano, 4 hands)
Suites (Piano, 4 hands)
Variations (Piano, 4 hands)
Princeton subject headings:
Piano music (4 hands)