Columbia subject headings:
Germany--Politics and government--1990-
Harvard subject headings:
German reunification question (1949-1990)--History.
Germany (East)--Politics and government.
Germany (West)--Foreign relations--Germany (East)
Germany (West)--Politics and government.
Germany--Civilization--20th century.
Germany--Foreign relations--Europe.
Princeton subject headings:
German reunification question (1949-1990)--History.
Germany (East)--Foreign relations--Germany (West)
Germany (East)--Politics and government.
Germany (West)--Foreign relations--Germany (East)
Germany (West)--Politics and government--1945-1990.
Germany--Civilization--20th century.
Germany--Foreign relations--Europe.