Columbia subject headings:
Russians--Foreign countries--Intellectual life.
Harvard subject headings:
Civilization, Modern--Russian influences--Congresses.
Russians--Foreign countries--Congresses.
Russians--Foreign countries--Intellectual life--Congresses.
Princeton subject headings:
Civilization, Modern--Russian influences--Congresses.
Russians--Foreign countries--Congresses.
Russians--Foreign countries--Intellectual life--Congresses.