Columbia subject headings:
Epidemics--Italy--Tuscany--History--17th century.
Medicine--Italy--Tuscany--History--17th century.
Public health--Italy--Tuscany--History--17th century.
Harvard subject headings:
Epidemics--Italy--Tuscany--History--17th century.
Medicine--Italy--Tuscany--History--17th century.
Public health--Italy--Tuscany--History--17th century.
Princeton subject headings:
Epidemics--Italy--History.
Public health--Italy--History.