Columbia subject headings:
Harvard subject headings:
Democracy--Europe, Eastern--History--Congresses.
Europe, Eastern--Economic conditions--1989---Congresses.
Europe, Eastern--History--1989---Congresses.
Europe, Eastern--Politics and government--1989---Congresses.
Poland--History--1989---Congresses.
Social change--Europe, Eastern--History--Congresses.
Princeton subject headings:
Democracy--Europe, Eastern--History--Congresses.
Europe, Eastern--Economic conditions--1989---Congresses.
Europe, Eastern--History--1989---Congresses.
Europe, Eastern--Politics and government--1989---Congresses.
Poland--History--1989---Congresses.
Social change--Europe, Eastern--History--Congresses.