Columbia subject headings:
Harvard subject headings:
Pottery, Italian--Italy--Siena.
Pottery, Italian--Italy--Tuscany.
Pottery, Medieval--Italy--Siena.
Pottery, Medieval--Italy--Tuscany.
Princeton subject headings:
Pottery, Italian--Italy--Siena (Province).
Pottery, Italian--Italy--Tuscany.
Pottery, Medieval--Italy--Siena (Province).
Pottery, Medieval--Italy--Tuscany.