Columbia subject headings:
Harvard subject headings:
Technological innovations--Germany--History--20th century.
Technological innovations--Social aspects--Germany.
Technology--Germany--History--20th century
Technology--Social aspects--Germany
Princeton subject headings:
Consumption (Economics)--Social aspects--Germany--History--20th century.
Germany--Social life and customs--20th century.
Identity (Psychology)--Social aspects--Germany--History--20th century.
Technological innovations--Social aspects--Germany--History--20th century.
Technology--Social aspects--Germany--History--20th century.