Columbia subject headings:
Germany--Social conditions--1871-1918.
Germany--Social policy.
Welfare state--Germany--History--19th century.
Welfare state--Germany--History--20th century.
Harvard subject headings:
Germany--Social conditions--1871-1918.
Germany--Social policy.
Welfare state--Germany--History--19th century.
Welfare state--Germany--History--20th century.
Princeton subject headings: