Columbia subject headings:
Intelligence service--Russia (Federation)--History.
Intelligence service--Soviet Union--History.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.
Harvard subject headings:
Intelligence service--Russia (Federation)--History.
Intelligence service--Soviet Union--History.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.
Princeton subject headings:
Intelligence service--Russia (Federation)--History.
Intelligence service--Soviet Union--History.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government--1985-1991.
Soviet Union. Komitet gosudarstvennoĭ bezopasnosti--History.