Columbia subject headings:
Berlin (Germany : West). Senat--History.
Berlin (Germany)--Politics and government--1945-1990.
Germany (East)--Politics and government.
Germany (East). Ministerrat--History.
Harvard subject headings:
Princeton subject headings:
Berlin (Germany : West). Senat--History.
Berlin (Germany)--Politics and government--1945-1990.
Germany (East)--Politics and government.
Germany (East). Ministerrat--History.