Columbia subject headings:
Florence (Italy)--Civilization--Congresses.
Italy--Intellectual life--20th century--Congresses.
Harvard subject headings:
Florence (Italy)--Civilization--Congresses.
Italy--Intellectual life--20th century--Congresses.
Princeton subject headings:
Florence (Italy)--Civilization--Congresses.
Italy--Intellectual life--20th century--Congresses.