Columbia subject headings:
Nationalism--Germany--History--Congresses.
Political parties--Germany--History--20th century--Congresses.
Political parties--Germany--History--21st century--Congresses.
Populism--Germany--History--Congresses.
Right-wing extremists--Germany--History--Congresses.
Harvard subject headings:
Alternative für Deutschland (Political party)--Congresses.
Germany--Politics and government--21st century--Congresses.
Political parties--Germany--History--21st century--Congresses.
Populism--Germany--Congresses.
Radicalism--Germany--Congresses.
Right-wing extremists--Germany--Congresses.
Princeton subject headings:
Nationalism--Germany--History--Congresses.
Political parties--Germany--History--20th century--Congresses.
Political parties--Germany--History--21st century--Congresses.
Populism--Germany--History--Congresses.
Right-wing extremists--Germany--History--Congresses.