Columbia subject headings:
Language and culture.
Languages, Modern--Study and teaching.
Russian language--Study and teaching--Foreign speakers.
Harvard subject headings:
Language and culture.
Languages, Modern--Study and teaching
Russian language--Study and teaching--Foreign speakers.
Russian language--Study and teaching--Foreign students.
Princeton subject headings:
Language and culture.
Languages, Modern--Study and teaching.
Russian language--Study and teaching--Foreign students.