Columbia subject headings:
Harvard subject headings:
Perestroĭka.
Soviet Union--Economic conditions--1945-1955.
Soviet Union--Economic conditions--1985-1991--Congresses.
Soviet Union--Economic policy--1986-1991--Congresses.
Soviet Union--Economic policy.
Princeton subject headings:
Perestroĭka--Congresses.
Soviet Union--Economic conditions--1976---Congresses.
Soviet Union--Economic policy--1986-1991--Congresses.