Columbia subject headings:
Perestroĭka.
Soviet Union--Foreign relations--1985-1991.
Soviet Union--Study and teaching--United States.
Harvard subject headings:
Perestroĭka
Soviet Union--Foreign relations--1985-1991
Soviet Union--Study and teaching--United States.
Princeton subject headings:
Perestroĭka.
Soviet Union--Foreign relations--1985-1991.
Soviet Union--Study and teaching--United States.