Columbia subject headings:
Popular culture.
Harvard subject headings:
Civilization, Modern--20th century
Europe--Civilization--20th century.
Great Britain--Civilization--20th century.
Mass production--Social aspects.
Mass society.
Popular culture
Popular culture--Europe--History--20th century.
Popular culture--Great Britain--History--20th century
Popular culture--History--20th century
Visual communication
Princeton subject headings:
Popular culture.