Columbia subject headings:
Harvard subject headings:
Music audiences--Italy--Turin--Public opinion.
Music audiences--Italy--Turin--Statistics.
Music surveys--Italy--Turin.
Music--Italy--Turin--20th century--History and criticism.
Public opinion--Italy--Turin.
Teatro regio (Turin, Italy)
Teatro regio (Turin, Italy)--Statistics.
Princeton subject headings:
Music--Italy--Turin.
Teatro regio (Turin, Italy)