Columbia subject headings:
Authority--Political aspects--France--History--Congresses.
Authority--Political aspects--Greece--History--Congresses.
Authority--Political aspects--Rome--Congresses.
Communication in politics--France--History--Congresses.
Communication in politics--Greece--History--Congresses.
Communication in politics--Rome--Congresses.
Rhetoric, Ancient--Political aspects--Congresses.
Rhetoric--Political aspects--France--History--Congresses.
Harvard subject headings:
Authority--Political aspects--France--History--Congresses.
Authority--Political aspects--Greece--History--Congresses.
Authority--Political aspects--Rome--Congresses.
Communication in politics--France--History--Congresses.
Communication in politics--Greece--History--Congresses.
Communication in politics--Rome--Congresses.
Rhetoric, Ancient--Political aspects--Congresses.
Rhetoric--Political aspects--France--History--Congresses.
Princeton subject headings: