Columbia subject headings:
Germany--History--Unification, 1990.
Germany--Social conditions--1990-
Germany--Social life and customs--20th century.
Political culture--Germany.
Harvard subject headings:
Germany--History--Unification, 1990.
Germany--Social conditions--1990-
Germany--Social life and customs--20th century.
Political culture--Germany.
Princeton subject headings:
Germany--History--Unification, 1990.
Germany--Social conditions--1990-
Germany--Social life and customs--20th century.