Columbia subject headings:
Harvard subject headings:
Industrial safety--Social aspects.
Marginality, Social.
Risk--Sociological aspects.
Social change--Economic aspects.
Social problems--Economic aspects.
Uncertainty--Economic aspects.
Princeton subject headings:
Job security--Germany.
Temporary employees--Germany--Social conditions.
Temporary employment--Germany.
Temporary employment--Social aspects--Germany.
Unemployed--Germany--Social conditions.
Unemployment--Germany.
Unemployment--Social aspects--Germany.