Columbia subject headings:
Harvard subject headings:
Democracy--Europe, Eastern--Congresses
Ethnicity--Europe, Eastern--Congresses.
Europe, Central--Ethnic relations--Congresses.
Europe, Central--Politics and government--20th century--Congresses.
Europe, Eastern--Ethnic relations--Congresses.
Europe, Eastern--Politics and government--1989---Congresses.
Europe--Ethnic relations--Congresses.
Europe--Politics and government--1989---Congresses.
Europe--Politics and government--20th century--Congresses.
Minorities--Europe, Eastern--Congresses.
Nationalism--Europe, Central--Congresses.
Nationalism--Europe, Eastern--Congresses
Nationalism--Europe--Congresses
Nationalism--Poland--Congresses.
Princeton subject headings:
Europe--Ethnic relations--Congresses.
Europe--Politics and government--1989---Congresses.
Europe--Politics and government--20th century--Congresses.
Nationalism--Europe--Congresses.