Columbia subject headings:
Harvard subject headings:
Germany (East)--Social conditions.
Halberstadt (Germany : Landkreis)--History--20th century.
Halberstadt (Germany : Landkreis)--Politics and government--20th century.
Halberstadt (Germany : Landkreis)--Social conditions--20th century.
Princeton subject headings:
Halberstadt (Germany : Landkreis)--Politics and government--20th century.
Halberstadt (Germany : Landkreis)--Social conditions--20th century.