Columbia subject headings:
Mass media--Social aspects--Germany.
Nineteen hundreds (Decade)
Popular culture--Germany--History--20th century.
Harvard subject headings:
Mass media and culture--Germany--History--20th century.
Mass media--Social aspects--Germany
Nineteen hundreds (Decade)
Popular culture--Germany--History--20th century
Princeton subject headings:
Mass media--Social aspects--Germany.
Nineteen hundreds (Decade)
Popular culture--Germany--History--20th century.