Columbia subject headings:
Germany (East)--Politics and government.
Germany (East)--Social conditions.
Social change--Germany (East)
Harvard subject headings:
Germany (East)--Politics and government.
Germany (East)--Social conditions.
Social change--Germany (East)
Princeton subject headings:
Germany (East)--Economic conditions.
Germany (East)--Politics and government.
Germany (East)--Social conditions.
Germany--History--Unification, 1990.