Columbia subject headings:
Harvard subject headings:
Aleatory music
Chamber music
Septets (Piano, clarinet, flute, chimes, violin, viola, cello)
Sextets (Piano, flute, chimes, violin, viola, cello)
Sextets (Pianos (2), trombone, percussion, violin, cello)
Trios (Piano, flute, glockenspiel)
Viola and piano music
Princeton subject headings:
Septets (Pianos (3), trombone, chimes, violin, cello)
Trios (Piano, flute, glockenspiel)
Viola and piano music.
Viola with instrumental ensemble.