Columbia subject headings:
Harvard subject headings:
Russians--America--20th century.
Russians--America--History--20th century.
Russians--Australia--20th century.
Russians--Australia--History--20th century.
Russians--China--20th century.
Russians--China--History--20th century.
Russians--Foreign countries--20th century.
Russians--Foreign countries--History--20th century
Russians--Japan--20th century.
Russians--Japan--History--20th century.
Princeton subject headings:
Russians--America--20th century.
Russians--Australia--20th century.
Russians--China--20th century.
Russians--Foreign countries--20th century.
Russians--Japan--20th century.