Columbia subject headings:
Russian language--Congresses.
Russian language--Semantics--Congresses.
Sociolinguistics--Russia (Federation)--Congresses.
Harvard subject headings:
Russian language--Congresses.
Russian language--Semantics--Congresses.
Sociolinguistics--Russia (Federation)--Congresses.
Princeton subject headings:
Russian language--Congresses.
Russian language--Semantics--Congresses.
Sociolinguistics--Russia (Federation)--Congresses.