Columbia subject headings:
Harvard subject headings:
German reunification question (1949-1990)
Germany (East)--History.
Germany (East)--Politics and government.
Germany (West)--History.
Germany (West)--Politics and government.
Germany--History--Unification, 1990.
Germany--Politics and government--1945-1990.
Princeton subject headings:
Cold War.
Germany (East)--History.
World War, 1939-1945--Germany.