Columbia subject headings:
Harvard subject headings:
Germany--Economic policy--1990---Congresses.
Public welfare--Germany--Congresses.
Social security--Germany--Finance--Congresses.
Welfare state--Congresses.
Princeton subject headings:
Germany--Economic policy--1990---Congresses.
Public welfare--Germany--Congresses.
Social security--Germany--Finance--Congresses.
Welfare state--Congresses.