Columbia subject headings:
Soviet Union--Politics and government.
Ukraine--Politics and government--1917-1945.
Harvard subject headings:
Constitutional history--Soviet Union
Constitutional history--Ukraine
Federal government--Soviet Union--History.
Soviet Union--Politics and government--1917-1936.
Ukraine--Politics and government--1917-1945.
Princeton subject headings:
Constitutional history--Soviet Union.
Constitutional history--Ukraine.
Federal government--Soviet Union--History.
Russia (Federation)--Foreign relations--Ukraine.
Ukraine--Foreign relations--Russia (Federation).