Columbia subject headings:
Canons, fugues, etc. (Piano, 4 hands)
Piano music (4 hands)
Harvard subject headings:
Canons, fugues, etc.
Canons, fugues, etc. (Piano, 4 hands)--20th century--Scores.
Piano music (4 hands)--France--20th century--Scores.
Preludes.
Princeton subject headings:
Canons, fugues, etc. (Piano, 4 hands)
Piano music (4 hands)
Preludes (Music)