Columbia subject headings:
Harvard subject headings:
Language policy--Europe, Eastern--Congresses.
Language policy--Russia (Federation)--Congresses.
Multiculturalism--Europe, Eastern--Congresses.
Multiculturalism--Russia (Federation)--Congresses.
Multilingualism--Europe, Eastern--Congresses.
Multilingualism--Russia (Federation)--Congresses.
Princeton subject headings:
Language policy--Europe, Eastern--Congresses.
Language policy--Russia (Federation)--Congresses.
Multiculturalism--Europe, Eastern--Congresses.
Multiculturalism--Russia (Federation)--Congresses.
Multilingualism--Europe, Eastern--Congresses.
Multilingualism--Russia (Federation)--Congresses.