Columbia subject headings:
Madrigals, Italian.
Motets.
Polyphonic chansons.
Polyphonic lieder.
Vocal octets, Unaccompanied.
Vocal quartets, Unaccompanied.
Harvard subject headings:
Madrigals, Italian.
Motets.
Polyphonic chansons.
Polyphonic lieder.
Princeton subject headings:
Madrigals, Italian.
Motets.
Polyphonic Lieder.
Polyphonic chansons.
Polyphonic lieder.
Vocal octets, Unaccompanied.
Vocal quartets, Unaccompanied.