Columbia subject headings:
Motets.
Music--France--500-1400.
Part songs, French.
Vocal quartets, Unaccompanied.
Harvard subject headings:
Motets.
Music--France--500-1400
Part songs, French.
Vocal quartets, Unaccompanied.
Princeton subject headings:
Motets.
Music--France--500-1400.
Vocal quartets, Unaccompanied.