Columbia subject headings:
Architecture--Italy--Siena.
Art--Italy--Siena.
Museo civico di Siena (Italy)
Palazzo pubblico (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.
Harvard subject headings:
Art, Italian--Italy--Siena.
Museo civico di Siena (Italy)
Palazzo pubblico (Siena, Italy)
Princeton subject headings:
Architecture--Italy--Siena.
Art--Italy--Siena.
Museo civico di Siena (Italy)
Palazzo pubblico (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.