Columbia subject headings:
Lorraine, House of--Congresses.
Tuscany (Italy)--History--1737-1801--Congresses.
Tuscany (Italy)--History--1814-1860--Congresses.
Harvard subject headings:
Lorraine, House of--Congresses.
Tuscany (Italy)--History--Congresses.
Tuscany (Italy)--Intellectual life--Congresses.
Princeton subject headings:
Lorraine, House of--Congresses.
Tuscany (Italy)--History--1737-1801--Congresses.
Tuscany (Italy)--History--1814-1860--Congresses.