Columbia subject headings:
Gorbachev, Mikhail Sergeevich, 1931-2022.
International relations--Research--Russia (Federation)--Congresses.
Perestroĭka--Congresses.
Russia (Federation)--Politics and government--1991---Congresses.
Soviet Union--Politics and government--1985-1991--Congresses.
Harvard subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
International relations--Research--Russia (Federation)--Congresses.
Perestroĭka--Congresses
Russia (Federation)--Politics and government--1991---Congresses.
Soviet Union--Politics and government--1985-1991--Congresses.
Princeton subject headings:
International relations--Research--Russia (Federation)--Congresses.
Perestroĭka--Congresses.
Russia (Federation)--Politics and government--1991---Congresses.
Soviet Union--Politics and government--1985-1991--Congresses.