Columbia subject headings:
Harvard subject headings:
Europe, Eastern--History--1989-
Europe, Eastern--Politics and government--1989-
Soviet Union--History--1985-1991.
Soviet Union--Politics and government--1985-1991.
Princeton subject headings:
Europe, Eastern--History--1989-
Europe, Eastern--Politics and government--1989-
Russia (Federation)--History--1991-
Russia (Federation)--Politics and government--1991-