Columbia subject headings:
Harvard subject headings:
Germany (East)--Politics and government.
Liberal-Demokratische Partei Deutschlands--History--20th century.
Political parties--Germany (East)--History--20th century.
Sozialistische Einheitspartei Deutschlands--History--20th century.
Princeton subject headings:
Germany (East)--Politics and government--20th century.
Liberal-Demokratische Partei Deutschlands--History--20th century.
Political parties--Germany (East)--History--20th century.
Sozialistische Einheitspartei Deutschlands--History--20th century.