Columbia subject headings:
Harvard subject headings:
Anarchism--Russia (Federation)--History--20th century.
Anarchism--Russia--History--20th century.
Anarchism--Soviet Union--History.
Princeton subject headings:
Anarchism--Russia--History--20th century.
Anarchism--Soviet Union--History.
Anarchists--Russia (Federation)--History.
Anarchists--Russia.
Anarchists--Soviet Union--History.