Columbia subject headings:
Harvard subject headings:
Ecology in literature.
Lexicology.
Linguistics
Russian language--Slang.
Russian language--Style.
Sociolinguistics--Russia (Federation)--21st century.
Princeton subject headings:
Ecolinguistics--Russia (Federation).
Lexicology.
Linguistics.
Russian language--Slang.
Russian language--Social aspects.
Russian language--Spoken Russian.
Russian language--Standardization.
Russian language--Style.
Sociolinguistics--Russia (Federation)--21st century.