Columbia subject headings:
Harvard subject headings:
Art and industry--Germany--Berlin.
Berlin (Germany)--Economic conditions--20th century.
Berlin (Germany)--Social life and customs--20th century.
Business enterprises--Germany--Berlin--History--20th century.
Industries--Technological innovations--Germany--Berlin--History--20th century.
Popular culture--Germany--Berlin--History--20th century.
Research, Industrial--Germany--Berlin--History--20th century.
Technological innovations--Germany--Berlin--History--20th century.
Princeton subject headings:
Art and industry--Germany--Berlin.
Berlin (Germany)--Economic conditions--20th century.
Berlin (Germany)--Social life and customs.
Business enterprises--Germany--Berlin.
Popular culture--Germany--Berlin.
Research, Industrial--Germany--Berlin.
Technological innovations--Germany--Berlin.