Columbia subject headings:
Hard-core unemployed--Germany--Case studies.
Hard-core unemployed--Great Britain--Case studies.
Hard-core unemployed--Sweden--Case studies.
Unemployment--Germany--Case studies.
Unemployment--Great Britain--Case studies.
Unemployment--Sweden--Case studies.
Harvard subject headings:
Hard-core unemployed--Germany--Case studies.
Hard-core unemployed--Great Britain--Case studies.
Hard-core unemployed--Sweden--Case studies.
Unemployment--Germany--Case studies.
Unemployment--Great Britain--Case studies.
Unemployment--Sweden--Case studies.
Princeton subject headings:
Hard-core unemployed--Germany--Case studies.
Hard-core unemployed--Great Britain--Case studies.
Hard-core unemployed--Sweden--Case studies.
Unemployment--Germany--Case studies.
Unemployment--Great Britain--Case studies.
Unemployment--Sweden--Case studies.