Columbia subject headings:
Harvard subject headings:
Communication in politics--Europe--History--Congresses.
Communication--Political aspects--Europe--History--Congresses.
Sociolinguistics--Europe--History--Congresses.
Symbolic interactionism--Congresses.
Princeton subject headings:
Communication in politics--Europe--History--Congresses.
Communication--Political aspects--Europe--History--Congresses.
Sociolinguistics--Europe--History--Congresses.
Symbolic interactionism--Congresses.