Columbia subject headings:
Hours of labor--Germany (West)
Labor market--Germany (West)
Social security--Germany (West)
Harvard subject headings:
Hours of labor--Germany (West)
Labor market--Germany (West)
Social security--Germany (West)
Princeton subject headings:
Flextime--Germany (West)
Manpower policy--Germany (West)
Part-time employment--Germany (West)
Social security--Germany (West)