Columbia subject headings:
France--Economic conditions--1918-1945.
France--Politics and government--1914-1940.
France--Social conditions--20th century.
Germany--Economic conditions--1918-1945.
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Germany--Social conditions--1918-1933.
Germany--Social conditions--1933-1945.
Harvard subject headings:
France--Economic conditions--1918-1945.
Germany--Economic conditions--1918-1945.
Industrial relations--France--History--20th century.
Industrial relations--Germany--History--20th century.
Labor unions--France--History--20th century.
Labor unions--Germany--History--20th century
Princeton subject headings:
France--Economic conditions--1918-1945.
Germany--Economic conditions--1918-1945.
Industrial relations--France--History--20th century.
Industrial relations--Germany--History--20th century.
Strikes and lockouts--France--History--20th century.
Strikes and lockouts--Germany--History--20th century.
Welfare state--France--History--20th century.
Welfare state--Germany--History--20th century.