Columbia subject headings:
Harvard subject headings:
Architecture--Expertising--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Florence (Italy)--History--1860-1945
Historic buildings--Italy--Florence.
Princeton subject headings:
Florence (Italy)--Buildings, structures, etc.--History--19th century.
Florence (Italy)--History--1860-1945.
Florence (Italy)--Politics and government.