Columbia subject headings:
Harvard subject headings:
Italy--History--19th century--Congresses.
Italy--History--20th century--Congresses.
Nationalism--Italy--Tuscany--History--19th century--Congresses.
Nationalism--Italy--Tuscany--History--20th century--Congresses.
Tuscany (Italy)--Congresses--History--19th century.
Tuscany (Italy)--Congresses--History--20th century.
Tuscany (Italy)--History--19th century--Congresses.
Tuscany (Italy)--History--20th century--Congresses.
Tuscany (Italy)--Politics and government--19th century--Congresses.
Tuscany (Italy)--Politics and government--20th century--Congresses.
Princeton subject headings:
Italy--History--19th century--Congresses.
Italy--History--20th century--Congresses.
Nationalism--Italy--Tuscany--History--19th century--Congresses.
Nationalism--Italy--Tuscany--History--20th century--Congresses.
Tuscany (Italy)--History--19th century--Congresses.
Tuscany (Italy)--History--20th century--Congresses.
Tuscany (Italy)--Politics and government--19th century--Congresses.
Tuscany (Italy)--Politics and government--20th century--Congresses.