Columbia subject headings:
Cappella musicale di S. Petronio (Bologna, Italy)
Choirs (Music)--Italy--Bologna.
Music--Italy--Bologna.
Musicians--Italy--Bologna.
Harvard subject headings:
Cappella musicale di S. Petronio (Bologna, Italy)--Archives.
Church music--Italy--Bologna--Sources.
Princeton subject headings:
Cappella musicale di S. Petronio (Bologna, Italy)
Choirs (Music)--Italy--Bologna.
Music--Italy--Bologna.
Musicians--Italy--Bologna.