Columbia subject headings:
Harvard subject headings:
Communist parties--Germany (East)--History.
Germany (East)--Politics and government
Party affiliation--Germany (East)--History.
Political party organization--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.
Sozialistische Einheitspartei Deutschlands--Membership--History.
Princeton subject headings:
Communist parties--Germany (East)--History.
Germany (East)--Politics and government.
Party affiliation--Germany (East)--History.
Political party organization--Germany (East)--History.
Sozialistische Einheitspartei Deutschlands--History.
Sozialistische Einheitspartei Deutschlands--Membership--History.