Columbia subject headings:
Communism--Germany (East)--History.
Communist state--History.
Dictatorship--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.
Harvard subject headings:
Dictatorship--Germany (East)
Germany (East)--Politics and government.
Political parties--Germany (East)--History--Sources.
Political parties--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.
Princeton subject headings:
Communism--Germany (East)--History.
Communist state--History.
Dictatorship--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.