Columbia subject headings:
City planning--Sociological aspects.
Sociology, Urban.
Sustainable urban development.
Urban ecology (Sociology)
Harvard subject headings:
Open spaces--Germany--Berlin.
Public spaces--Germany--Berlin.
Urban ecology (Sociology)--Germany--Berlin.
Princeton subject headings:
City planning--Sociological aspects.
Sociology, Urban.
Sustainable urban development.
Urban ecology (Sociology)