Columbia subject headings:
Ethnicity--Europe.
Multiculturalism--Europe.
Nationalism--Europe--History.
Nationalism--Europe.
Political geography.
Social psychology--Europe.
Harvard subject headings:
Ethnicity--Europe
Ethnicity--Europe--Congresses.
Multiculturalism--Europe
Multiculturalism--Europe--Congresses
Nationalism--Europe
Nationalism--Europe--Congresses
Nationalism--Europe--History--Congresses.
Political geography--Congresses.
Political geography.
Social psychology--Europe--Congresses.
Social psychology--Europe.
Princeton subject headings:
Ethnicity--Europe--Congresses.
Multiculturalism--Europe--Congresses.
Nationalism--Europe--Congresses.
Nationalism--Europe--History--Congresses.
Political geography--Congresses.
Social psychology--Europe--Congresses.