Columbia subject headings:
Communism--Germany.
Germany--Politics and government--1990-
Left-wing extremists--Germany.
Radicalism--Germany.
Harvard subject headings:
Communism--Germany
Germany--Politics and government--1990-
Left-wing extremists--Germany.
Radicalism--Germany
Princeton subject headings:
Communism--Germany.
Germany--Politics and government--1990-
Left-wing extremists--Germany.
Radicalism--Germany.