Columbia subject headings:
Communication in politics--Germany--History--Congresses.
Mass media and culture--Germany--Congresses.
Mass media and propaganda--Germany--History--20th century--Congresses.
Mass media--Political aspects--Germany--Congresses.
Harvard subject headings:
Communication in politics--Germany--Congresses.
Communication in politics--Germany--History--Congresses.
Mass media and culture--Germany--Congresses.
Mass media and propaganda--Germany--History--20th century--Congresses.
Mass media--Germany--History--Congresses.
Mass media--Political aspects--Germany--Congresses.
Mass media--Public opinion--Congresses.
Press and politics--Germany--History--Congresses.
Princeton subject headings: