Columbia subject headings:
Assassination--Germany--History--20th century.
Germany--Politics and government--1918-1933.
Justice, Administration of--Germany--History--20th century.
Political crimes and offenses--Germany--History--20th century.
Schwarze Reichswehr.
Vigilantes--Germany--History--20th century.
Harvard subject headings:
Assassination--Germany--History--20th century.
Germany--Politics and government--1918-1933
Justice, Administration of--Germany--History--20th century.
Political crimes and offenses--Germany--History--20th century.
Schwarze Reichswehr.
Vigilantes--Germany--History--20th century.
Princeton subject headings:
Fascism--Germany--History--20th century.
Germany--Politics and government--1918-1933.
Radicalism--Germany--20th century.