Columbia subject headings:
Affile (Italy)--Buildings, structures, etc.
Architecture, Medieval--Italy--Affile.
Architecture, Medieval--Italy--Arcinazzo Romano.
Arcinazzo Romano (Italy)--Buildings, structures, etc.
Castles--Italy--Affile.
Castles--Italy--Arcinazzo Romano.
Harvard subject headings:
Princeton subject headings:
Castles--Italy--Affile.
Castles--Italy--Arcinazzo Romano.