Columbia subject headings:
Minorities--Russia (Federation)
Russia (Federation)--Administrative and political divisions.
Russia (Federation)--Politics and government.
Harvard subject headings:
Minorities--Soviet Union
Soviet Union--Administrative and political divisions.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Minorities--Soviet Union.
Soviet Union--Administrative and political divisions.
Soviet Union--Politics and government--1917-1936.