Columbia subject headings:
Harvard subject headings:
Germany--History--Unification, 1990--Social aspects.
Princeton subject headings:
German reunification question (1949-1990)--Congresses.
Germany (East)--Politics and government--Congresses.
Germany (West)--Politics and government--Congresses.
Germany--History--Unification, 1990--Congresses.
Political culture--Germany (East)--Congresses.
Political culture--Germany (West)--Congresses.