Columbia subject headings:
Harvard subject headings:
Cities and towns--Germany (East)--Social conditions--Case studies.
Germany (East)--History.
Germany (East)--Politics and government--1989-1990.
Gotha (Germany : Landkreis)--History--20th century.
Halberstadt (Germany : Landkreis)--History--20th century.
Local history--Case studies.
Pritzwalk (Germany : Landkreis)--History--20th century.
Revolutions--Germany (East)
Princeton subject headings:
Germany (East)--History.