Columbia subject headings:
Harvard subject headings:
Anarchism--Germany--History--20th century.
Germany--History--1933-1945.
Syndicalism--Germany--History--20th century.
Princeton subject headings:
Anarchism--Germany--History--20th century.
Germany--Politics and government--1933-1945.
Labor movement--Germany--History--20th century.
Syndicalism--Germany--History--20th century.