Columbia subject headings:
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za.
Perestroĭka.
Police--Soviet Union--History.
Soviet Union--Politics and government--1953-1985.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.
Harvard subject headings:
Russia (Federation). Ministerstvo bezopasnosti--History.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.
Princeton subject headings:
Perestroĭka.
Secret service--Soviet Union--History.
Soviet Union--Politics and government--1953-1985.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.