Columbia subject headings:
Communication and traffic.
Communication in the social sciences.
Communication--Political aspects.
Communication--Social aspects.
Mass media--Political aspects.
Harvard subject headings:
Communication--History
Communication--Social aspects
Communism and society.
Princeton subject headings:
Communication and traffic--Collected works.
Communication in politics--Collected works.
Communication in the social sciences--Collected works.
Communication--Social aspects--Collected works.
Mass media--Political aspects--Collected works.