Columbia subject headings:
Architecture, Medieval--Italy--Siena (Province)
Farm buildings--Italy--Siena (Province)
Fortification--Italy--Siena (Province)
Grancia di Cuna (Italy)
Spedale di Santa Maria della Scala (Siena, Italy)
Harvard subject headings:
Architecture, Medieval--Italy--Siena (Province)
Farm buildings--Italy--Siena (Province)
Grancia di Cuna (Italy)
Spedale di Santa Maria della Scala (Siena, Italy)
Princeton subject headings:
Architecture, Medieval--Italy--Siena. (Province).
Farm buildings--Italy--Siena.(Province).
Fortification--Italy--Siena. (Province).
Grancia di Cuna.
Spedale di Santa Maria della Scala (Siena, Italy)