Columbia subject headings:
Harvard subject headings:
Civilization, Modern--Congresses
Cultural relations--Congresses.
Europe--Historiography--Congresses.
Europe--Intellectual life--Congresses.
Princeton subject headings:
America--Relations--Europe--Congresses.
Civilization, Modern--Congresses.
Cultural relations--Congresses.
Culture diffusion--Europe--History--Congresses.
Europe--Relations--America--Congresses.
Intercultural communication--Europe--History--Congresses.