Columbia subject headings:
European Union--Germany--Congresses.
Germany--History--1990---Congresses.
Germany--Politics and government--1990---Congresses.
Harvard subject headings:
European Union--Germany.
Germany--History--1990-
Germany--Politics and government--1990-
Princeton subject headings:
European Union--Germany.
Germany--History--1990-
Germany--Politics and government--1990-