Columbia subject headings:
Orchestral music, Arranged.
Symphonies (Piano, 4 hands), Arranged.
Harvard subject headings:
Orchestral music, Arranged.
Piano music (4 hands), Arranged.
Symphonies (Piano, 4 hands), Arranged.
Princeton subject headings:
Orchestral music, Arranged.
Symphonies (Piano, 4 hands), Arranged.