Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--Politics and government--1945-1990
Germany--Politics and government--1945-1990.
Kommunistische Partei Deutschlands--History.
Political participation--Germany--Berlin--History--20th century.
Political parties--Germany--Berlin--History--20th century.
Sozialdemokratische Partei Deutschlands--History.
Princeton subject headings:
Berlin (Germany)--Politics and government--1945-1990.
Germany--Politics and government--1945-1990.
Political participation--Germany--Berlin--History--20th century.
Political parties--Germany--Berlin--History--20th century.