Columbia subject headings:
Populism--Austria.
Populism--Germany.
Populism--Italy.
Harvard subject headings:
Austria--Politics and government--1945---Congresses.
Germany--Politics and government--1990---Congresses.
Italy--Politics and government--1994---Congresses.
Political parties--Austria--History--Congresses.
Political parties--Germany--History--Congresses.
Political parties--Italy--History--Congresses.
Populism--Austria--History--Congresses.
Populism--Germany--History--Congresses.
Populism--Italy--History--Congresses.
Princeton subject headings:
Populism--Austria.
Populism--Germany.
Populism--Italy.