Columbia subject headings:
Architecture, Medieval--Italy--Florence.
Architecture--Italy--Florence.
Building--Italy--Florence--History--To 1500.
Florence (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Medieval--Italy--Florence.
Architecture--Italy--Florence
Building--Italy--Florence--History--To 1500.
Building--Italy--Florence--To 1500.
Florence (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Medieval--Italy--Florence.
Architecture--Italy--Florence.
Building--Italy--Florence--History--To 1500.
Florence (Italy)--Buildings, structures, etc.