Columbia subject headings:
Germany--Economic conditions--1990-
Germany--History--1990-
Germany--Social conditions--1990-
Political culture--Germany.
Harvard subject headings:
Germany--History--1990-
Germany--History--Unification, 1990.
Princeton subject headings:
Germany--Economic conditions--1990-
Germany--History--1990-
Germany--Social conditions--1990-
Political culture--Germany.