Columbia subject headings:
Harvard subject headings:
Germany--Boundaries--Netherlands.
Germany--History--Unification, 1990--Public opinion.
History--Study and teaching--Germany
History--Study and teaching--Netherlands.
Netherlands--Boundaries--Germany.
Princeton subject headings:
Essays.
Germany--Foreign relations--Netherlands.
Germany--History--Unification, 1990.
Germany--Intellectual life--20th century.