Columbia subject headings:
Education--Russia (Federation)--Congresses.
Education--Soviet Union--Congresses.
Russia (Federation)--Ethnic relations--Congresses.
Russia (Federation)--Minorities--Congresses.
Russia (Federation)--Social life and customs--Congresses.
Soviet Union--Ethnic relations--Congresses.
Harvard subject headings:
Ethnology--Russia (Federation)--Congresses
Russia (Federation)--Social life and customs--Congresses.
Princeton subject headings: