Columbia subject headings:
Europe, Eastern--Economic conditions--1945-
Europe, Eastern--Politics and government--1945-
Harvard subject headings:
Europe, Eastern--Economic conditions--1945-
Europe, Eastern--Politics and government--1945-1989.
Europe, Eastern--Politics and government--1989-
Princeton subject headings:
Europe, Eastern--Economic conditions--1945-
Europe, Eastern--Politics and government--1945-