Columbia subject headings:
Architecture, Domestic--Italy--Siena.
Architecture, Renaissance--Italy--Siena.
Art, Italian--Italy--Siena.
Art--Italy--Siena.
Chigi family--Homes and haunts--Italy--Siena.
Palazzo Chigi alla Postierla (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Domestic--Italy--Siena.
Architecture, Renaissance--Italy--Siena.
Art, Italian--Italy--Siena.
Art--Italy--Siena
Chigi family--Homes and haunts--Italy--Siena.
Palazzo Chigi alla Postierla (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Domestic--Italy--Siena.
Architecture, Renaissance--Italy--Siena.
Art, Italian--Italy--Siena.
Art--Italy--Siena.
Chigi family--Homes and haunts--Italy--Siena.
Palazzo Chigi alla Postierla (Siena, Italy)
Siena (Italy)--Buildings, structures, etc.