Columbia subject headings:
Germany--Economic conditions--1918-1945.
Germany--Social conditions--1918-1933.
Unemployment insurance--Germany--History--20th century.
Unemployment--Germany--History--20th century.
Harvard subject headings:
Germany--Politics and government--1918-1933
Unemployment insurance--Germany--History--20th century.
Unemployment--Germany--History--20th century.
Princeton subject headings:
Germany--Politics and government--1918-1933.
Unemployment insurance--Germany--History--20th century.
Unemployment--Germany--History--20th century.