Columbia subject headings:
Harvard subject headings:
Germany (East)--Relations--Germany (West)
Germany (West)--Relations--Germany (East)
Germany--History--1945-1990.
Germany--Politics and government--1945-1990.
Germany--Social conditions--20th century.
Princeton subject headings:
Germany (East)--Relations--Germany (West)
Germany (West)--Relations--Germany (East)
Germany--History--1945-
Germany--Social conditions--20th century.