Columbia subject headings:
Harvard subject headings:
Absenteeism (Labor)--Germany (East)--History.
Labor policy--Germany (East)--History.
Labor supply--Germany (East)--History.
Labor--Germany (East)--Biography.
Occupations--Germany (East)--History.
Self-employed--Germany (East)--History.
Princeton subject headings:
Labor policy--Germany (East)--History.
Self-employed--Germany (East)--History.