Columbia subject headings:
Ballets--Excerpts--Piano scores (4 hands)
Variations (Piano, 4 hands), Arranged.
Harvard subject headings:
Ballets--Excerpts--Piano scores (4 hands)
Variations (Piano, 4 hands), Arranged.
Princeton subject headings:
Arrangements (Music)
Ballets--Excerpts--Piano scores (4 hands)
Excerpts.
Piano scores.
Variations (Music)
Variations (Piano, 4 hands), Arranged.