Columbia subject headings:
Harvard subject headings:
Campaign debates--History--Congresses.
Communication in politics--Congresses.
Political campaigns--History--Congresses.
Presidents--Election--History--Congresses.
Princeton subject headings:
Communication in politics--Congresses.
Discourse analysis--Congresses.
Political campaigns--Congresses.
Political oratory--History--Congresses.
Presidents--Election--Language--Congresses.
Sociolinguistics--Congresses.