Columbia subject headings:
Diplomacy--Language--Congresses.
Intercultural communication--Europe--History--Congresses.
Miscommunication--Europe--History--Congresses.
Peace movements--Europe--History--Congresses.
Peace-building--Europe--History--Congresses.
Harvard subject headings:
Conflict management--Europe--History--Congresses.
Diplomacy--Language--Congresses.
Intercultural communication--Europe--History--Congresses.
Miscommunication--Europe--History--Congresses.
Peace movements--Europe--History--Congresses.
Peace-building--Europe--History--Congresses.
Princeton subject headings:
Diplomacy--Language--Congresses.
Intercultural communication--Europe--History--Congresses.
Miscommunication--Europe--History--Congresses.
Peace movements--Europe--History--Congresses.
Peace-building--Europe--History--Congresses.