Columbia subject headings:
Labor laws and legislation--Germany (East)
Social security--Germany (East)
Wages--Germany (East)
Working class--Germany (East)
Harvard subject headings:
Labor laws and legislation--Germany (East)
Social security--Germany (East)
Wages--Germany (East)
Working class--Germany (East)
Princeton subject headings:
Labor laws and legislation--Germany (East)
Social security--Germany (East)
Wages--Germany (East)
Working class--Germany (East)