Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government.
Political parties--Germany (East)
Princeton subject headings:
Germany (East)--Foreign relations--Soviet Union--History.
Germany--History--1945-1955.
Germany--Politics and government--1945-1990.
Soviet Union--Foreign relations--Germany--History.
Sozialistische Einheitspartei Deutschlands--History.