Columbia subject headings:
Federal government--Soviet Union--History--Sources.
Soviet Union--Ethnic relations--History--Sources.
Soviet Union--Politics and government--1917-1936--Sources.
Harvard subject headings:
Central-local government relations--Soviet Union--History--Sources.
Federal government--Soviet Union--History--Sources.
Nationalism and socialism--Soviet Union--History--Sources.
Princeton subject headings:
Nationalism--Soviet Union--History--Sources.
Soviet Union--Ethnic relations--History--Sources.
Soviet Union--Politics and government--1917-1936.