Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--Hungary--Congresses.
Germany--Relations--Hungary--Congresses.
Hungary--Foreign relations--Germany--Congresses.
Hungary--Politics and government--1989---Congresses.
Hungary--Relations--Germany--Congresses.
Political culture--Hungary--Congresses.
Social change--Hungary--Congresses.
Princeton subject headings:
Germany--Relations--Hungary.
Hungary--Politics and government--1989-
Hungary--Relations--Germany.
Political culture--Hungary.
Social change--Hungary.