Columbia subject headings:
Painting, Italian--Italy--Siena.
Painting, Italian--Italy--Tuscany.
Painting, Renaissance--Italy--Siena.
Painting, Renaissance--Italy--Tuscany.
Harvard subject headings:
Princeton subject headings:
Painting, Italian--Italy--Siena.
Painting, Italian--Italy--Tuscany.
Painting, Renaissance--Italy--Siena.
Painting, Renaissance--Italy--Tuscany.