Columbia subject headings:
Exiles--Russia (Federation)--History--20th century.
Immigrants--Soviet Union--History--20th century.
Political refugees--Russia (Federation)--History--20th century.
Russia (Federation)--Emigration and immigration--History--20th century.
Russians--France--History--20th century.
Russians--United States--History--20th century.
Harvard subject headings:
Political refugees--Government policy--France.
Political refugees--Government policy--United States.
Russians--France--History--20th century.
Russians--France--Societies, etc.
Russians--United States--History--20th century.
Russians--United States--Societies, etc.
Soviet Union--History--Revolution, 1917-1921--Refugees.
Princeton subject headings:
Exiles--Soviet Union--History--20th century.
Political refugees--Soviet Union--History--20th century.
Russians--France--History--20th century.
Russians--United States--History--20th century.
Soviet Union--Emigration and immigration--History--20th century.