Columbia subject headings:
Harvard subject headings:
Exiles' writings, Russian--Great Britain--History and criticism--Congresses.
Political refugees--Great Britain--History--20th century--Congresses.
Russians--Great Britain--History--20th century--Congresses.
Russians--Great Britain--Intellectual life--Congresses.
Soviet Union--History--Revolution, 1917-1921--Refugees--Congresses.
Princeton subject headings:
Exiles' writings, Russian--Great Britain--History and criticism--Congresses.
Political refugees--Great Britain--History--20th century--Congresses.
Russians--Great Britain--History--20th century--Congresses.
Russians--Great Britain--Intellectual life--Congresses.
Soviet Union--History--Revolution, 1917-1921--Refugees--Congresses.