Columbia subject headings:
Italian drama (Comedy)--Italy--Tuscany--History and criticism--Congresses.
Italian drama--18th century--History and criticism--Congresses.
Italian drama--To 1700--History and criticism--Congresses.
Harvard subject headings:
Italian drama (Comedy)--Italy--Tuscany--History and criticism--Congresses.
Italian drama (Comedy)--Italy--Tuscany--History and criticism.
Italian drama--18th century--History and criticism--Congresses.
Italian drama--To 1700--History and criticism--Congresses.
Theater--Italy--Tuscany--History.
Princeton subject headings:
Theater--Italy--Tuscany--16th century.
Theater--Italy--Tuscany--17th century.
Theater--Italy--Tuscany--18th century.