Columbia subject headings:
Architecture--Italy--Florence--History--20th century.
Art nouveau (Architecture)--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Modern--20th century--Italy--Florence.
Architecture--Italy--Florence--History.
Art nouveau (Architecture)--Italy--Florence.
Florence (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--19th century--Italy--Florence.
Architecture, Modern--20th century--Italy--Florence.
Art nouveau (Architecture)--Italy--Florence.
Eclecticism in architecture--Italy--Florence.