Columbia subject headings:
Austria--History--Revolution, 1848-1849--Congresses.
Europe--History--1848-1849--Congresses.
Germany--History--Revolution, 1848-1849--Congresses.
Italy--History--Revolution of 1848--Congresses.
Liberalism--Europe--History--19th century--Congresses.
Revolutions--Europe--History--19th century--Congresses.
Harvard subject headings:
Austria--History--Revolution, 1848-1849--Congresses.
Europe--History--1848-1849--Congresses.
Germany--History--Revolution, 1848-1849--Congresses.
Italy--History--Revolution of 1848--Congresses.
Liberalism--Europe--History--19th century--Congresses.
Revolutions--Europe--History--19th century--Congresses.
Princeton subject headings:
Austria--History--Revolution, 1848-1849--Congresses.
Europe--History--1848-1849--Congresses.
Germany--History--Revolution, 1848-1849--Congresses.
Italy--History--Revolution of 1848--Congresses.
Liberalism--Europe--History--19th century--Congresses.
Revolutions--Europe--History--19th century--Congresses.