Columbia subject headings:
Harvard subject headings:
Civilization--History
Crises--History.
Crises--Social aspects--History--Congresses.
Crisis management--History--Congresses.
Culture--Congresses.
Discourse analysis, Narrative--History--Congresses.
Princeton subject headings:
Crises--Social aspects--History--Congresses.
Crisis management--History--Congresses.
Culture--Congresses.
Discourse analysis, Narrative--History--Congresses.