Columbia subject headings:
German reunification question (1949-1990)--History.
Imperialism--History.
Kommunistische Partei Deutschlands--History.
Nationalism--Germany (East)--History.
Harvard subject headings:
German reunification question (1949-1990)--History.
Imperialism--History
Kommunistische Partei Deutschlands--History.
Nationalism--Germany (East)--History.
Princeton subject headings:
German reunification question (1949-1990)--History.
Imperialism--History.
Kommunistische Partei Deutschlands--History.
Nationalism--Germany (East)--History.