Columbia subject headings:
Harvard subject headings:
Free enterprise--Germany--History--20th century.
Germany--Economic policy--1945-1990.
Germany--Social policy--20th century.
Social marketing--Germany--History--20th century.
Princeton subject headings:
Free enterprise--Germany--History--20th century.
Germany--Economic policy--1945-1990.
Germany--Social policy--20th century.
Social marketing--Germany--History--20th century.