Columbia subject headings:
Germany (East)--Politics and government.
Political parties--Germany (East)--History.
Socialism--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.
Harvard subject headings:
Communism--Germany (East)--History
German reunification question (1949-1990)
Sozialistische Einheitspartei Deutschlands--History.
Princeton subject headings:
Germany (East)--Politics and government.
Sozialistische Einheitspartei Deutschlands.