Columbia subject headings:
Germany--Politics and government--20th century.
Nationalism--Germany--History--20th century.
Harvard subject headings:
German reunification question (1949-1990)
Germany--History--20th century.
National characteristics, German.
Nationalism--Germany
Princeton subject headings:
German reunification question (1949-1990)
Germany--History--20th century.
National characteristics, German.
Nationalism--Germany.