Columbia subject headings:
Harvard subject headings:
Choruses, Sacred (Mixed voices), Unaccompanied
Monologues with music (Piano)
Piano music
Piano music (4 hands)
Songs (High voice) with piano
Songs (Medium voice) with piano
Princeton subject headings:
Choruses, Sacred (Mixed voices), Unaccompanied.
Monologues with music (Piano)
Piano music (4 hands)
Piano music.
Songs (High voice) with piano.
Songs (Medium voice) with piano.