Columbia subject headings:
Motets--500-1400--History and criticism.
Music--500-1400--History and criticism.
Music--France--500-1400--History and criticism.
Harvard subject headings:
Motets--500-1400--Bibliography.
Motets--500-1400--History and criticism.
Motets--History and criticism--500-1400.
Princeton subject headings:
Motets--History and criticism--500-1400.
Music--500-1400--History and criticism.