Columbia subject headings:
Mass media and culture--Congresses.
Mass media--Philosophy--Congresses.
Mass media--Social aspects--Congresses.
Mass media--Social aspects--Germany--Congresses.
Harvard subject headings:
Mass media and culture--Congresses.
Mass media--Philosophy--Congresses.
Mass media--Social aspects--Congresses
Mass media--Social aspects--Germany--Congresses.
Princeton subject headings:
Mass media and culture--Congresses.
Mass media--Philosophy--Congresses.
Mass media--Social aspects--Congresses.
Mass media--Social aspects--Germany--Congresses.