Columbia subject headings:
Learned institutions and societies--Italy--Tuscany--History--Congresses.
Tuscany (Italy)--Intellectual life--Congresses.
Harvard subject headings:
Italian literature--Italy--Tuscany--Congresses.
Learned institutions and societies--Italy--Tuscany--History--Congresses.
Science--Italy--Tuscany--History--Congresses.
Tuscany (Italy)--Intellectual life--Congresses.
Princeton subject headings:
Italian literature--Italy--Tuscany--Congresses.
Science--Italy--Tuscany--History--Congresses.
Tuscany (Italy)--Intellectual life--Congresses.