Columbia subject headings:
Painting, Renaissance--Italy.
Painting--Italy--Florence.
Painting--Italy--Siena.
Harvard subject headings:
Painting, Gothic--Italy--Florence.
Painting, Gothic--Italy--Siena.
Painting, Italian--Italy--Florence--History.
Painting, Italian--Italy--Siena--History.
Painting, Italian.
Painting, Renaissance.
Painting--Italy--Florence--History.
Painting--Italy--Siena--History.
Princeton subject headings: