Columbia subject headings:
Architecture--Italy--Tuscany.
Cities and towns--Italy--Tuscany.
Tuscany (Italy)--Pictorial works.
Harvard subject headings:
Cities and towns--Italy--Tuscany.
Tuscany (Italy)--Description and travel.
Tuscany (Italy)--History.
Princeton subject headings:
Architecture--Italy--Tuscany (Region).
Tuscany (Italy : Region)--Description and travel--Views.