Columbia subject headings:
Russian language--Grammar.
Russian language--Synonyms and antonyms.
Russian language--Usage.
Harvard subject headings:
Russian language--Grammar.
Russian language--Synonyms and antonyms.
Russian language--Textbooks for foreign speakers--English.
Russian language--Usage.
Princeton subject headings:
Russian language--Grammar.
Russian language--Synonyms and antonyms.
Russian language--Textbooks for foreign speakers--English.
Russian language--Usage.