Columbia subject headings:
Harvard subject headings:
Labor laws and legislation--Germany--History
Labor policy--Germany--History.
Manpower policy--Germany--History.
Social legislation--Germany--History.
Social security--Law and legislation--Germany--History.
Princeton subject headings:
Labor laws and legislation--Germany--History.
Labor policy--Germany--History.
Manpower policy--Germany--History.
Social legislation--Germany--History.
Social security--Law and legislation--Germany--History.