Columbia subject headings:
Harvard subject headings:
Aesthetics--History
Berlin (Germany)--Economic conditions
Commercial products--Social aspects--Germany--History.
Consumer behavior--Social aspects--Germany--History.
Consumers--Germany--History.
Germany--Economic conditions--1888-1918.
Princeton subject headings:
Aesthetics--History.
Commercial products--Social aspects--Germany--History.
Consumer behavior--Social aspects--Germany--History.
Consumers--Germany--History.