Columbia subject headings:
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Harvard subject headings:
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Princeton subject headings:
Germany--Economic policy--1990-
Germany--Foreign relations--1990-
Germany--History--Unification, 1990.
Germany--Politics and government--1990-
Germany--Social conditions--1990-
Political parties--Germany.