Columbia subject headings:
Harvard subject headings:
Hard-core unemployed--Germany.
Labor market--Germany.
Manpower policy--Germany
Unemployed--Germany
Unemployment--Germany
Unemployment--Government policy--Germany.
Princeton subject headings:
Hard-core unemployed--Germany.
Labor market--Germany.
Manpower policy--Germany.
Unemployed--Germany.
Unemployment--Germany.
Unemployment--Government policy--Germany.