Columbia subject headings:
Glasnost.
Perestroĭka.
Soviet Union--Politics and government--1985-1991.
Harvard subject headings:
Civil society--Soviet Union.
Glasnost.
Perestroĭka.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
Glasnost.
Perestroĭka.
Soviet Union--Politics and government--1985-1991.