Columbia subject headings:
Cantatas, Secular--Scores.
Vocal duets with orchestra--Scores.
Vocal trios with instrumental ensemble--Scores.
Harvard subject headings:
Vocal duets with instrumental ensemble--Scores.
Vocal trios with instrumental ensemble--Scores.
Princeton subject headings:
Cantatas, Secular--Scores.
Cantatas.
Scores.
Vocal duets with orchestra--Scores.
Vocal trios with instrumental ensemble--Scores.