Columbia subject headings:
Harvard subject headings:
Hungary--Economic conditions--1989---Congresses.
Hungary--Politics and government--1989---Congresses.
Hungary--Social conditions--1989---Congresses.
Post-communism--Hungary--Congresses.
Princeton subject headings:
Hungary--Economic conditions--1989---Congresses.
Hungary--Politics and government--1989---Congresses.
Hungary--Social conditions--1989---Congresses.
Post-communism--Hungary--Congresses.