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