Columbia subject headings:
Opera--Italy--Interviews.
Opera--Italy--Tuscany.
Theaters--Italy--Tuscany--History.
Harvard subject headings:
Opera--Italy--Interviews.
Opera--Italy--Tuscany.
Theaters--Italy--Tuscany--History.
Princeton subject headings:
Interviews.
Opera--Italy--Interviews.
Opera--Italy--Tuscany.
Theaters--Italy--Tuscany--History.