Columbia subject headings:
Harvard subject headings:
Communication in politics--Congresses.
Communication--Political aspects--Congresses.
Journalism--Political aspects--Congresses.
Mass media--Political aspects--Congresses
Political participation--Congresses
Princeton subject headings:
Communication in politics--Congresses.
Communication--Political aspects--Congresses.
Journalism--Political aspects--Congresses.
Mass media--Political aspects--Congresses.
Political participation--Congresses.