Columbia subject headings:
Trios (Piano, clarinet, viola)--Scores and parts.
Trios (Piano, violin, viola)--Scores and parts.
Harvard subject headings:
Chamber music.
Parts (Music)
Scores.
Trios (Piano, clarinet, viola)--Scores and parts.
Trios (Piano, violin, viola)--Scores and parts.
Princeton subject headings:
Parts (Music)
Scores.
Trios (Piano, clarinet, viola)--Scores and parts.