Columbia subject headings:
Minorities--Europe, Central.
Minorities--Europe, Eastern.
Nationalism--Europe, Central.
Nationalism--Europe, Eastern.
Harvard subject headings:
Europe, Central--Ethnic relations.
Europe, Eastern--Ethnic relations.
Minorities--Europe, Central
Minorities--Europe, Eastern
Nationalism--Europe, Central
Nationalism--Europe, Eastern
Princeton subject headings:
Minorities--Europe, Central--Congresses.
Minorities--Europe, Eastern--Congresses.
Nationalism--Europe, Central--Congresses.
Nationalism--Europe, Eastern--Congresses.