Columbia subject headings:
Festivals--Italy--Siena--History--16th century.
Italian drama--Italy--Siena--History and criticism.
Italian drama--To 1700--History and criticism.
Siena (Italy)--Social life and customs.
Theater--Italy--Siena--History--16th century.
Harvard subject headings:
Festivals--Italy--Siena--History--16th century.
Italian drama--16th century--History and criticism.
Italian drama--Italy--Siena--History and criticism.
Siena (Italy)--Social life and customs.
Theater--Italy--Siena--History--16th century.
Princeton subject headings:
Italian drama--Italy--Siena--History and criticism.
Italian drama--To 1700--History and criticism.