Columbia subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Perestroĭka.
Soviet Union--Politics and government.
Harvard subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Gorbachev, Mikhail Sergeevich, 1931-2022.
Perestroĭka.
Soviet Union--Politics and government.