Columbia subject headings:
Mass media--Political aspects--History--Congresses.
Mass media--Political aspects--Netherlands--History--Congresses.
Press and politics--History--Congresses.
Press and politics--Netherlands--History--Congresses.
Harvard subject headings:
Mass media--Political aspects--History--Congresses.
Mass media--Political aspects--Netherlands--History--Congresses.
Press and politics--History--Congresses.
Press and politics--Netherlands--History--Congresses.
Princeton subject headings:
Communication in politics--Netherlands--History--Congresses.
Journalism--Political aspects--Netherlands--History--Congresses.
Journalists--Netherlands--History--Congresses.
Mass media--Political aspects--Netherlands--History--Congresses.
Mass media--Social aspects--Netherlands--History--Congresses.
Press and politics--Netherlands--History--Congresses.
Press, Political party--Netherlands--History--Congresses.