Columbia subject headings:
Harvard subject headings:
Europe, Eastern--Politics and government--1945-
Germany (East)--Politics and government.
Germany--Politics and government--1945-1990.
Germany--Politics and government--1990-
Princeton subject headings:
Europe, Eastern--Politics and government--1945-
Germany (East)--Politics and government.
Germany--Politics and government--1945-1990.
Germany--Politics and government--1990-