Columbia subject headings:
Pageants--Italy--Parma--History--18th century.
Theater--Italy--Parma--History--18th century.
Harvard subject headings:
Parma (Italy)--History--18th century.
Theater--Italy--Parma--History--18th century.
Princeton subject headings:
Parma (Italy)--History--18th century.
Theater--Italy--Parma--History--18th century.