Columbia subject headings:
Civil society--Europe--History--20th century--Congresses.
Civilization, Modern--20th century--Congresses.
Cross-cultural studies--Europe--Congresses.
Mediation--Europe--History--20th century--Congresses.
Miscommunication--Europe--History--20th century--Congresses.
Social conflict--Europe--History--20th century--Congresses.
Harvard subject headings:
Civil society--Europe--History--20th century--Congresses.
Civilization, Modern--20th century--Congresses
Cross-cultural studies--Europe--Congresses.
Mediation--Europe--History--20th century--Congresses.
Miscommunication--Europe--History--20th century--Congresses.
Social conflict--Europe--History--20th century--Congresses.
Princeton subject headings:
Civil society--Europe--History--20th century--Congresses.
Civilization, Modern--20th century--Congresses.
Cross-cultural studies--Europe--Congresses.
Mediation--Europe--History--20th century--Congresses.
Miscommunication--Europe--History--20th century--Congresses.
Social conflict--Europe--History--20th century--Congresses.