Columbia subject headings:
Architecture, Medieval--Italy.
Architecture, Medieval--Switzerland.
Church architecture--Italy.
Church architecture--Switzerland.
Light in architecture.
Orientation (Architecture)
Strada di Francia (Italy and France)
Harvard subject headings:
Architecture, Medieval--Italy--Tuscany.
Architecture, Medieval--Romania.
Religious architecture--Italy--Tuscany--History.
Religious architecture--Romania--History.
Romania--Buildings, structures, etc.
Space (Architecture)--Italy--Tuscany--History.
Space (Architecture)--Romania--History.
Tuscany (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Medieval--Italy.
Architecture, Medieval--Switzerland.
Church architecture--Italy.
Church architecture--Switzerland.
Light in architecture.
Orientation (Architecture)
Strada di Francia (Italy and France)