Columbia subject headings:
Germany (East)--Politics and government.
Germany (East)--Relations--Germany (West)
Germany (West)--Relations--Germany (East)
Harvard subject headings:
German reunification question (1949-1990)
Germany (East)--Politics and government.
Germany (East)--Relations--Germany (West)
Germany (West)--Politics and government.
Germany (West)--Relations--Germany (East)
Germany--Politics and government--1945-1990.
Princeton subject headings:
Germany (East)--Politics and government.
Germany (East)--Relations--Germany (West)
Germany (West)--Relations--Germany (East)