Columbia subject headings:
Local government--Germany--History--20th century.
Local government--Germany--History--21st century.
Sustainable development--Germany--History--20th century.
Sustainable development--Germany--History--21st century.
Urban policy--Germany--History--20th century.
Urban policy--Germany--History--21st century.
Harvard subject headings:
Local government--Germany--History--20th century.
Local government--Germany--History--21st century.
Sustainable development--Germany--History--20th century.
Sustainable development--Germany--History--21st century.
Urban policy--Germany--History--20th century.
Urban policy--Germany--History--21st century.
Princeton subject headings: