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