Columbia subject headings:
Russia (Federation)--Politics and government--Chronology.
Soviet Union--Politics and government--1953-1985--Chronology.
Harvard subject headings:
Russia (Federation)--Politics and government--Chronology.
Soviet Union--Politics and government--1953-1985--Chronology.
Princeton subject headings:
Russia (Federation)--Politics and government--1953-1985--Chronology.
Soviet Union--Politics and government--1953-1985--Chronology.