Columbia subject headings:
Russian language--Study and teaching--Estonia.
Russians--Estonia--History.
Russians--Estonia--Intellectual life.
Samoĭlov, D. (David)--Criticism and interpretation.
Harvard subject headings:
Russian language--Baltic States.
Russian language--Study and teaching--Baltic States.
Russians--Baltic States--Intellectual life.
Princeton subject headings:
Ecolinguistics.
Language and culture--Russia (Federation)
Russian language--Study and teaching.
Sociolinguistics.