Columbia subject headings:
Harvard subject headings:
Museo dell'Opera del Duomo (Siena, Italy)
Painting--Italy--Siena.
Sculpture--Italy--Siena.
Princeton subject headings:
Art--Italy--Siena--Catalogs.
Christian art and symbolism--Italy--Siena--Catalogs.
Museo dell'Opera del Duomo (Siena, Italy)