Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Florence--13th century.
Architecture--Italy--Florence--14th century.
Christian art and symbolism--Italy--Florence
Church architecture--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Santa Maria del Fiore (Cathedral : Florence, Italy)
Princeton subject headings:
Christian art and symbolism--Italy--Florence.
Church architecture--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Santa Maria del Fiore (Cathedral : Florence, Italy)