Columbia subject headings:
Harvard subject headings:
City planning--Congresses
City planning--Environmental aspects--Congresses
Sustainable architecture--Congresses.
Sustainable urban development--Congresses.
Urban renewal--Congresses
Princeton subject headings:
City planning--Congresses.
City planning--Environmental aspects--Congresses.
Sustainable architecture--Congresses.
Sustainable urban development--Congresses.
Urban renewal--Congresses.