Columbia subject headings:
Mass media and culture--Great Britain--History--20th century.
Mass media and culture--United States--History--20th century.
Nineteen sixties.
Popular culture--Great Britain--History--20th century.
Popular culture--United States--History--20th century.
Harvard subject headings:
Mass media and culture--Great Britain--History--20th century.
Mass media and culture--United States--History--20th century.
Nineteen sixties.
Popular culture--Great Britain--History--20th century
Popular culture--United States--History--20th century
Princeton subject headings:
Nineteen sixties.
Popular culture--Great Britain--History--20th century.
Popular culture--United States--History--20th century.