Columbia subject headings:
Confraternities--Italy--Florence--History.
Florence (Italy)--History.
Laude--History and criticism.
Harvard subject headings:
Confraternities--Italy--Florence--History.
Florence (Italy)--History.
Laude--History and criticism.
Music--Italy--Florence--History and criticism.
Princeton subject headings:
Laude--History and criticism.
Music--Italy--Florence--500-1400--History and criticism.