Columbia subject headings:
Soviet Union--Politics and government--1945-1991.
Soviet Union--Politics and government--1985-1991.
Harvard subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--Party work.
Perestroĭka.
Soviet Union--Politics and government--1953-1985.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
Soviet Union--Politics and government--1945-1991.
Soviet Union--Politics and government--1982-.