Columbia subject headings:
Gorbachev, Mikhail Sergeevich, 1931-2022.
Russia (Federation)--History--1991-
Russia (Federation)--Politics and government.
Soviet Union--History--1985-1991.
Soviet Union--Politics and government--1985-1991.
Harvard subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Russia (Federation)--History--1991-
Russia (Federation)--Politics and government.
Soviet Union--History--1985-1991.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
International relations.
Russia (Federation)--Foreign relations.
Russia (Federation)--Politics and government--1991-
Soviet Union--Foreign relations--1975-1985.
Soviet Union--Politics and government--1985-1991.
World politics--1975-1985.
World politics--1989-