Columbia subject headings:
Russian language--Semantics.
Russian language--Study and teaching--Foreign speakers.
Russian language--Syntax.
Harvard subject headings:
Russian language--Semantics.
Russian language--Study and teaching--Foreign speakers.
Russian language--Syntax.
Princeton subject headings:
Russian language--Idioms.
Russian language--Phraseology.
Russian language--Study and teaching--Foreign speakers.
Russian language--Usage.