Columbia subject headings:
Harvard subject headings:
Austria--History--Congresses.
Austria--History--Revolution, 1848-1849--Congresses.
Peasant uprisings--Austria--History--Congresses.
Revolutions--Austria--History--Congresses.
Princeton subject headings:
Austria--History--Congresses.
Peasant uprisings--Austria--History--Congresses.
Revolutions--Austria--History--Congresses.