Columbia subject headings:
Labor laws and legislation--Germany.
Labor policy--Germany--History--20th century.
National socialism.
Wages and labor productivity--Germany.
Harvard subject headings:
Labor laws and legislation--Germany
Labor policy--Germany--History--20th century.
National socialism.
Wages and labor productivity--Germany.
Princeton subject headings:
Deutsche Arbeitsfront--History.
Germany--Economic conditions--1918-1945.
REFA-Verband für Arbeitsstudien und Bertriebsorganisation--History.
Wages and labor productivity--Germany--History--20th century.
Wages--Germany--History--20th century.