Columbia subject headings:
Finno-Ugrians--Russia (Federation)--Languages.
Finno-Ugric languages--Dialects--Russia (Federation)
Russia (Federation)--Languages.
Harvard subject headings:
Finno-Ugrians--Russia (Federation)--Languages.
Finno-Ugric languages--Dialects--Russia (Federation)
Russia (Federation)--Languages.
Princeton subject headings:
Finno-Ugrians--Russia (Federation)--Languages.
Finno-Ugric languages--Dialects--Russia (Federation).
Russia (Federation)--Languages.