Columbia subject headings:
Harvard subject headings:
Black market--Europe, Eastern.
Black market--Soviet Union.
Europe, Eastern--Economic conditions--1989-
Post-communism--Europe, Eastern
Post-communism--Soviet Union
Soviet Union--Economic conditions--1985-1991.
Princeton subject headings:
Perestroĭka.
Soviet Union--Economic conditions--1976-.
Soviet Union--Economic policy--1986-1991.
Soviet Union--Social conditions--1970-1991.