Columbia subject headings:
Harvard subject headings:
Perestroĭka--Exhibitions.
Soviet Union--History--1985-1991--Exhibitions.
Soviet Union--Politics and government--1985-1991--Exhibitions.
Princeton subject headings:
Perestroĭka--Exhibitions.
Soviet Union--History--1985-1991--Exhibitions.
Soviet Union--Politics and government--1985-1991--Exhibitions.