Columbia subject headings:
Minorities--Soviet Union.
Soviet Union--Civilization.
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Federal government--Soviet Union--History.
Minorities--Soviet Union
Nationalism--Soviet Union
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Minorities--Soviet Union.
Soviet Union--Civilization.
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1917-1936.