Columbia subject headings:
Mass media--Europe--History--20th century.
Mass media--Political aspects--Europe.
Mass media--Social aspects--Europe.
Harvard subject headings:
Mass media--Europe--History--20th century.
Mass media--Political aspects--Europe.
Mass media--Social aspects--Europe.
Television broadcasting--Europe--History--20th century.
Princeton subject headings:
Mass media--Europe--History--20th century.
Mass media--Political aspects--Europe.
Mass media--Social aspects--Europe.
Television broadcasting--Europe--History--20th century.