Columbia subject headings:
Freedom of the press--Italy--History--19th century--Congresses.
Government and the press--Italy--History--19th century--Congresses.
Mazzini, Giuseppe, 1805-1872--Congresses.
Harvard subject headings:
Freedom of the press--Italy--History--19th century--Congresses.
Government and the press--Italy--History--19th century--Congresses.
Mazzini, Giuseppe, 1805-1872--Congresses.
Princeton subject headings:
Censorship--Italy--History--19th century--Congresses.
Freedom of information--Italy--History--19th century--Congresses.
Italy--Intellectual life--19th century--Congresses.